When to Inspect the Engine AirCleaner/Filter

Inspect the air cleaner/filter at the Maintenance II intervals and replace at the first oil change after each 50,000 mile (83 000 km) interval.

If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change.

    See also:

    Overview
    Buick has rekindled a name from its storied 20th-century past to mark the beginning of a new level of refinement: Super. The badge is designated exclusively for Buick's most premium, powerful mode ...

    Battery
    Refer to the replacement number shown on the original battery label when a new battery is needed. See Engine Compartment Overview  for battery location. DANGER Battery posts, terminals, and r ...

    Traction Control System (TCS)
    The vehicle has a Traction Control System (TCS) that limits wheel spin. This is especially useful in slippery road conditions. The system operates only if it senses that the front wheels are spi ...