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 2019-2026 Owners Manual: Engine overheating

WARNING Never remove the radiator cap until the engine has been shut off and has fully cooled down. When the engine is hot, the coolant is under pressure. Removing the cap while the engine is still hot could release a spray of boiling hot coolant, which could burn you very seriously...

Subaru Forester 2019-2026 Owners Manual: Handling of radar sensors

Sensors The radar sensors, one on each side of the vehicle, are mounted inside the rear bumper. To ensure correct operation of the BSD/RCTA, observe the following precautions. Always keep the bumper surface near the radar sensors clean. Do not affix any stickers or other items on the bumper surface near the radar sensors...