Subaru Forester: Maintenance and service / Cooling system

Synthetic oil

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Safety precautions

WARNING Never attempt to remove the radiator cap until the engine has been shut off and has cooled down completely. Since the coolant is under pressure, you may suffer serious burns from a spray of boiling hot coolant when the cap is removed...

Other information:

Subaru Forester 2019-2025 Owners Manual: Trailer safety chains

WARNING Always use safety chains between your vehicle and the trailer. Towing trailer without safety chains could create a traffic safety hazard if the trailer separates from the hitch due to coupling damage or hitch ball damage. In case the trailer hitch connector or hitch ball should break or become disconnected, the trailer could get loose and create a traffic safety hazard...

Subaru Forester 2019-2025 Owners Manual: Handling of the sonar sensors

The 4 sonar sensors are located in the rear bumper. To ensure the proper operation of the Reverse Automatic Braking (RAB) system, observe the following precautions. Do not affix any stickers or other items on the sonar sensor or the bumper surface near the sonar sensors...