Subaru Forester: Maintenance and service / Spark plugs

Air cleaner element

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Drive belts

It is unnecessary to check the deflection of the drive belt periodically because your engine is equipped with an automatic belt tension adjuster. However, replacement of the belt should be done according to the maintenance schedule in the “Warranty and Maintenance Booklet”...

Other information:

Subaru Forester 2019-2026 Owners Manual: 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. CAUTION Vehicles are filled at the factory with SUBARU SUPER COOLANT that does not require the first change for 11 years/137,500 miles (11 years/220,000 km)...

Subaru Forester 2019-2026 Owners Manual: To hook the top tether

CAUTION Remove the head restraint when mounting a child restraint system. Otherwise, the top tether cannot be fastened tightly. Store the head restraint that has been removed in the cargo area. Avoid placing the head restraint in the passenger compartment, as it could be thrown around in the passenger compartment in a sudden stop or a sharp turn...