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: Uniform tire quality grading standards

This information indicates the relative performance of passenger car tires in the area of treadwear, traction, and temperature resistance. This is to aid the consumer in making an informed choice in the purchase of tires. Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width...

Subaru Forester 2019-2026 Owners Manual: Headlight beam leveler

The LED headlights produce more light than conventional halogen headlights. When the vehicle is carrying a heavy load and the headlight beams are angled upwards, the driver of an oncoming vehicle may experience glare. To prevent this, the automatic headlight beam leveler adjusts the headlights to the optimum height automatically depending on the load the vehicle is carrying...