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: Ignition switch light (if equipped)

For easy access to the ignition switch in the dark, the ignition switch light illuminates when the driver’s door is opened or when the driver’s door is unlocked using the remote keyless entry transmitter. The light remains illuminated for several tens of seconds and then gradually turns off under the following conditions...

Subaru Forester 2019-2026 Owners Manual: Engine restart non-operational conditions

To ensure safety, the engine will not be automatically restarted if the engine hood is opened when the Auto Start Stop system is in operation, even if the brake pedal is released. In this case, check the surrounding area and restart the engine by normal operation...