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:

    Lock Sensor
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    RDS (Radio Data System)
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    QuietTuned for silent ride, comfort
    Like all other Buick models, Terraza benefits from QuietTuning, a comprehensive engineering program throughout the entire vehicle to ensure a silent ride. This includes new engine isolation measur ...