This manual details the 2021 Forester, offering crucial information for safe operation and maintenance; It mirrors the packet provided with your new Subaru, ensuring a comprehensive understanding.
Overview of the Manual’s Contents
This 2021 Subaru Forester Owner’s Manual provides a detailed guide encompassing vehicle identification, safety features, and operational instructions. It includes sections on understanding the AWD system, engine specifics, and the braking system. You’ll find guidance on starting, driving modes, fueling, and routine fluid checks.
Furthermore, it outlines maintenance schedules, oil specifications, and tire care. Interior controls, multimedia systems, and exterior features like lights and wipers are thoroughly explained. Troubleshooting, emergency procedures, warranty details, and a technical specification index complete this essential resource for Forester owners.
Importance of Reading the Manual
Thoroughly reading this 2021 Subaru Forester Owner’s Manual is paramount for maximizing your driving experience and ensuring vehicle longevity. Understanding safety precautions and features, like Subaru Safety Sense, is crucial for preventing accidents. Familiarizing yourself with the AWD system and maintenance schedules optimizes performance and avoids costly repairs.
Ignoring the manual’s instructions could lead to improper operation, potential damage, or voided warranty coverage. This guide provides essential information for safe driving, proper maintenance, and utilizing all the Forester’s advanced features effectively, ultimately enhancing your ownership satisfaction.

Vehicle Identification & Key Information
Locate your Forester’s Vehicle Identification Number (VIN) and understand vehicle labels for accurate identification and service records. This ensures proper part ordering.
Vehicle Identification Number (VIN) Location
The 2021 Subaru Forester’s Vehicle Identification Number (VIN) is crucial for identifying your specific vehicle and accessing its history. You can find this unique 17-character code in several locations. Look on the driver’s side dashboard, visible through the windshield. It’s also located on the driver’s side doorjamb, on a sticker. Additionally, the VIN is stamped on the vehicle’s registration and insurance documents. Keeping a record of your VIN is essential for warranty claims, theft recovery, and obtaining accurate service information from your Subaru dealer.
Understanding Vehicle Labels
Your 2021 Subaru Forester features several important vehicle labels providing critical information. The vehicle certification label, typically found on the driver’s side doorjamb, details original vehicle specifications and compliance data. Tire information labels display the recommended tire size and pressure for optimal performance and safety. Under the hood, labels identify fluid reservoirs and component locations. Familiarize yourself with these labels; they contain essential details for maintenance, repairs, and understanding your Forester’s specific configuration. These labels ensure proper servicing and adherence to safety standards throughout the vehicle’s lifespan.

Safety Precautions & Features
Prioritize safety! This section details crucial driving precautions and explains Subaru Safety Sense features, including airbag system information for your 2021 Forester.
Safety Precautions When Driving
Always prioritize safe driving practices when operating your 2021 Subaru Forester. This manual emphasizes the importance of understanding vehicle symbols and adhering to all safety precautions. Be aware of your surroundings, maintain a safe following distance, and always wear seatbelts.
Properly adjust mirrors and seating positions before starting your journey. Avoid distractions like mobile devices, and never drive under the influence of alcohol or drugs. Familiarize yourself with the vehicle’s handling characteristics and limitations. Regularly check tire pressure and ensure all lights are functioning correctly for optimal visibility and control.
Subaru Safety Sense Features
The 2021 Forester incorporates Subaru Safety Sense, a suite of advanced driver-assist technologies. These features are designed to enhance safety and provide an extra layer of protection. Key components include Adaptive Cruise Control, which maintains a set speed and distance from the vehicle ahead. Lane Departure and Sway Warning alerts you if you drift from your lane.
Automatic Pre-Collision Braking helps mitigate or avoid collisions. Additionally, features like Pre-Collision Throttle Management and Lead Vehicle Departure Alert contribute to a safer driving experience. Refer to the full manual for detailed operation and limitations of each system.
Airbag System Information
The 2021 Forester is equipped with a sophisticated airbag system designed to provide occupant protection in the event of a collision. This system includes front airbags, side airbags, and curtain airbags. Proper understanding of the airbag system is crucial for safe operation. Always ensure passengers, especially children, are appropriately restrained.
The manual details the locations of all airbags and provides important warnings regarding their deployment. Never attempt to modify or disable the airbag system. Refer to the manual for specific instructions and precautions related to airbag functionality and potential risks.

Understanding Your Forester’s Systems
Explore the Forester’s core functionalities: symmetrical all-wheel drive, engine specifics, and the advanced braking system. This section provides detailed operational insights.
All-Wheel Drive (AWD) System
Subaru’s renowned symmetrical all-wheel drive is a cornerstone of the 2021 Forester’s capability. This system continuously monitors wheel speed and distributes power accordingly, enhancing traction and stability in diverse conditions. Unlike many competitors, Subaru’s AWD is full-time, proactively managing power distribution rather than reacting to wheel slip.
The system actively balances torque between the front and rear wheels, optimizing grip on surfaces like snow, gravel, or wet pavement. This provides confident handling and control, contributing to a secure driving experience. Understanding how the AWD system functions is key to maximizing the Forester’s performance and safety.
Engine and Transmission Details
The 2021 Subaru Forester is equipped with a 2.5-liter four-cylinder horizontally opposed engine, known for its smooth operation and durability. This engine delivers 182 horsepower and 176 lb-ft of torque, providing ample power for everyday driving and light off-road adventures. It’s paired with a Lineartronic continuously variable transmission (CVT), designed for optimal fuel efficiency and seamless acceleration.
The CVT simulates gear changes, offering a responsive driving experience while maximizing fuel economy. Understanding the engine’s specifications and the CVT’s operation is crucial for proper vehicle maintenance and performance.
Braking System Overview
The 2021 Subaru Forester features a robust braking system designed for reliable stopping power in various conditions. It incorporates front ventilated discs and rear solid discs, working in conjunction with an Anti-lock Braking System (ABS). ABS prevents wheel lockup during hard braking, enhancing steering control and stability.
Additionally, the system includes Brake Assist, which provides increased braking force during emergency stops. Familiarizing yourself with the braking system’s components and functions is vital for safe driving and understanding its performance characteristics.

Operating Your Vehicle
This section guides you through starting, stopping, driving modes, and essential controls of your 2021 Forester. It covers fueling procedures and routine fluid level checks.
Starting and Stopping the Engine
Before starting, ensure the parking brake is engaged and the gear selector is in Park (P) or Neutral (N). Insert the key or press the Start/Stop button while firmly pressing the brake pedal. The engine will ignite, and the instrument panel will illuminate. To stop the engine, simply press the Start/Stop button again, or shift the gear selector to Park (P) and turn the ignition key to the OFF position. Always allow the engine to idle briefly before shutting it off to ensure proper cooling and lubrication. Familiarize yourself with these procedures for safe and efficient operation of your 2021 Forester.
Driving Modes and Controls
The 2021 Forester features Subaru’s symmetrical all-wheel drive, enhancing stability and control in various conditions. Utilize the SI-Drive system to select between Intelligent and Sport modes, adjusting engine responsiveness. The X-MODE system optimizes AWD for challenging terrain like snow or gravel. Steering wheel controls manage audio, cruise control, and Bluetooth connectivity. Familiarize yourself with the placement and function of all controls, including the multi-function display, to ensure a safe and enjoyable driving experience. Proper understanding of these features maximizes the Forester’s capabilities.
Fueling and Fluid Checks
The 2021 Forester requires unleaded gasoline with an octane rating of 87. Regularly check engine oil levels using the dipstick, ensuring it’s within the marked range. Inspect coolant, brake fluid, and windshield washer fluid reservoirs, topping off as needed. Proper fluid levels are crucial for optimal performance and longevity. Refer to the manual for specific fluid specifications. Routine checks prevent potential damage and maintain vehicle reliability. Always dispose of used fluids responsibly, following local regulations for environmental protection and safety.

Maintenance & Servicing
Adhering to the recommended maintenance schedule is vital for your 2021 Forester’s performance and longevity. Consult the manual for detailed intervals and procedures.
Recommended Maintenance Schedule
Maintaining your 2021 Subaru Forester requires a consistent schedule to ensure optimal performance and reliability. The owner’s manual provides a detailed breakdown, outlining inspections and services at specific mileage intervals; These include routine oil and filter changes, tire rotations, fluid level checks, and brake inspections.
More extensive services, like coolant replacement and spark plug replacement, are scheduled at higher mileage points. Following this schedule helps prevent unexpected repairs and extends the life of your vehicle. Remember to document all maintenance performed for warranty purposes and resale value. Consult your Subaru dealer for personalized recommendations based on your driving conditions.
Oil and Fluid Specifications
Using the correct oil and fluids is critical for your 2021 Subaru Forester’s longevity. The owner’s manual specifies 0W-20 synthetic oil as the recommended engine oil, meeting ILSAC GF-5 or GF-6 standards. For optimal performance in severe conditions, consider a higher viscosity grade as advised by your dealer.
Other essential fluids include Subaru Super Coolant, brake fluid (DOT 3), transmission fluid, and power steering fluid. Always adhere to the specified fluid types to avoid damage to your vehicle’s systems. Improper fluids can compromise performance and void warranty coverage. Refer to the manual for precise capacity requirements.
Tire Information & Maintenance
Maintaining proper tire pressure and condition is vital for safety and fuel efficiency in your 2021 Forester. The recommended tire pressure is found on the driver’s side doorjamb label – typically around 32 PSI. Regularly check and adjust pressure when tires are cold.
The manual details proper tire rotation procedures (every 5,000 miles) to ensure even wear. Inspect tires for damage, tread depth, and uneven wear patterns. Replacement tires should match the original specifications for size and load rating. Consider seasonal tire changes for optimal performance.

Interior Features & Controls
Explore the 2021 Forester’s cabin with guides to the multimedia system, climate controls, and comfortable seat adjustments for an enhanced driving experience.
Multimedia System Operation
The 2021 Subaru Forester’s multimedia system offers a range of features designed for connectivity and entertainment. This section details operation of the touchscreen interface, audio controls, and smartphone integration via Apple CarPlay and Android Auto. Learn how to navigate menus, adjust settings, and utilize Bluetooth for hands-free calling and audio streaming.
Understand voice command functionality and explore available apps. The manual provides step-by-step instructions for customizing your preferences and troubleshooting common issues, ensuring a seamless and enjoyable in-car experience. Refer to the manual for specific details on your system’s capabilities.
Climate Control System
The 2021 Subaru Forester’s climate control system provides comfortable cabin temperatures for all occupants. This section explains operation of the automatic and manual settings, allowing precise control over temperature, fan speed, and airflow direction. Discover how to utilize the defrost and defog functions for optimal visibility.
Learn about the recirculation mode and its impact on air quality. The manual details maintenance procedures, such as filter replacement, to ensure efficient performance. Understand how to troubleshoot common issues and maintain a pleasant driving environment throughout all seasons.
Seat Adjustments and Features
The 2021 Subaru Forester offers versatile seating designed for comfort and support. This section details how to adjust the driver and passenger seats, including manual and power adjustments for height, recline, and lumbar support. Learn about the available features like heated front seats and their operation.
Understand how to properly use the head restraints for optimal safety. The manual explains the folding mechanisms for rear seats, maximizing cargo space when needed. Discover how to secure child safety seats correctly, adhering to all safety regulations and guidelines for a secure journey.
Exterior Features & Controls
Explore the Forester’s exterior, learning about lights, wipers, door locks, security systems, mirrors, and windows. This section details operation and maintenance procedures.
Lights and Wipers Operation
Understanding your 2021 Forester’s exterior lighting is crucial for visibility and safety. This includes headlights, taillights, turn signals, and fog lights – learn their proper usage. The manual details automatic headlight functionality and adjustment procedures.
Wiper operation covers front and rear wipers, including intermittent settings and washer fluid usage. Familiarize yourself with the controls for optimal performance in various weather conditions. The guide explains how to adjust wiper sensitivity and troubleshoot common issues, ensuring clear visibility during inclement weather. Proper maintenance extends wiper blade life.
Door Locks and Security System
Your 2021 Forester’s door locks offer both manual and power operation, detailed within the owner’s manual. Learn about central locking features, automatic locking functions, and child safety locks for rear doors. Understanding these controls ensures passenger security and convenience.
The security system section explains the operation of the anti-theft alarm, remote keyless entry, and immobilizer system. The manual provides instructions on pairing key fobs, activating/deactivating the alarm, and troubleshooting common security system issues. Proper use deters theft and protects your vehicle investment.
Mirrors and Windows
The 2021 Forester owner’s manual provides detailed instructions for adjusting both interior and exterior mirrors for optimal visibility. Learn about power mirror controls, including folding functions, and understand how to properly adjust them to minimize blind spots and maximize awareness of your surroundings.
Power window operation, including one-touch up/down functionality and the rear window lockout feature, is thoroughly explained. The manual also covers troubleshooting common window issues and ensuring smooth, reliable operation. Familiarize yourself with these controls for comfortable and safe driving.

Troubleshooting & Emergency Procedures
This section details vital procedures like jump starting and tire changes. It provides clear, step-by-step instructions for handling common roadside emergencies safely and effectively.
Jump Starting Procedures
Carefully follow these instructions when jump starting your 2021 Forester to avoid damage. First, position the vehicles close, but not touching. Ensure both vehicles are switched off. Connect the red (positive) cable to the positive terminal of the discharged battery, then to the positive terminal of the assisting battery. Next, connect the black (negative) cable to the negative terminal of the assisting battery, and finally, to a grounded metal part of the disabled Forester – not the negative terminal.
Start the assisting vehicle and let it run for a few minutes. Then, attempt to start the Forester. If it doesn’t start immediately, wait a few more minutes and try again. Once started, carefully disconnect the cables in the reverse order of connection.
Tire Changing Instructions
Safely changing a tire requires careful steps. Park on a level surface, engage the parking brake, and turn on hazard lights. Locate the spare tire, jack, and lug wrench – typically in the cargo area. Loosen the lug nuts on the flat tire before jacking up the vehicle. Position the jack correctly on the vehicle’s frame, as indicated in the owner’s manual. Raise the vehicle until the flat tire is off the ground.
Remove the lug nuts completely and carefully pull off the flat tire. Mount the spare tire, tighten the lug nuts by hand, lower the vehicle, and fully tighten the lug nuts in a star pattern.
Emergency Contact Information
In case of an emergency, quick access to vital contacts is crucial. For roadside assistance, contact Subaru’s 24/7 support line at 1-800-MY-SUBARU (1-800-697-8227). This service can provide towing, jump starts, and tire changes. For medical emergencies, dial 911. Keep your insurance provider’s contact information readily available, including your policy number.
Additionally, store the contact details for your preferred local repair shop. Consider adding emergency contacts for family or friends. Remember to program important numbers into your vehicle’s multimedia system for easy access.

Warranty Information
Your 2021 Forester is covered by a Subaru warranty, detailing specific coverage periods and procedures for claims. Refer to the manual for complete details.
Warranty Coverage Details
The 2021 Subaru Forester’s warranty provides comprehensive coverage, beginning with a basic limited warranty for three years or 36,000 miles, whichever comes first. A powertrain limited warranty extends to five years or 60,000 miles, safeguarding the engine, transmission, and drivetrain.
Additionally, there’s corrosion protection coverage. Specific details regarding what’s covered, exclusions, and claim procedures are thoroughly outlined within the owner’s manual. It’s essential to review these details to understand your rights and responsibilities as a vehicle owner, ensuring peace of mind and proper maintenance throughout your Forester’s lifespan.
Warranty Claim Procedures
To initiate a warranty claim for your 2021 Subaru Forester, first, contact your authorized Subaru dealer. Present your ownership and service records, detailing the issue. The dealer will diagnose the problem and determine if it’s covered under warranty.
If approved, the dealer will submit the claim to Subaru Corporation. Keep copies of all documentation. For further assistance or clarification, consult the complete warranty information within the owner’s manual or contact Subaru directly. Prompt and accurate documentation streamlines the process, ensuring efficient resolution.

Illustrated Index & Technical Specifications
This section provides a detailed illustrated index and comprehensive technical specifications for the 2021 Forester, aiding in quick reference and understanding vehicle details.
Illustrated Index Guide
The Illustrated Index serves as a visual roadmap to quickly locate information within this 2021 Subaru Forester Owner’s Manual. It utilizes detailed diagrams and corresponding page numbers, simplifying the process of finding specific components or procedures. This guide is designed for ease of use, allowing owners to efficiently navigate the manual’s extensive content.
Each illustration clearly depicts the area or system being referenced, paired with precise page references. This eliminates guesswork and ensures accurate information retrieval. Whether you’re seeking details on the multimedia system or understanding safety features, the Illustrated Index provides a streamlined path to the answers you need for optimal vehicle ownership and maintenance.
Technical Specifications of the 2021 Forester
This section presents a detailed compilation of the 2021 Subaru Forester’s technical data. It encompasses engine specifications – including displacement and horsepower – alongside transmission details, dimensions, and weight distribution. You’ll find precise information regarding fuel capacity, tire sizes, and braking system components.
Furthermore, it outlines fluid capacities for oil, coolant, and other essential systems. These specifications are crucial for accurate maintenance and repair procedures. Refer to this section when selecting replacement parts or performing self-service tasks, ensuring compatibility and optimal performance for your Forester.
