When to Inspect the Engine Air Cleaner/Filter
Inspect the air cleaner/filter at the scheduled maintenance intervals and replace it at the first oil change after each 80 000 km (50,000 mi) interval. See Maintenance Schedule for more information.
If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change.
See also:
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...
Retained Accessory Power (RAP)
These vehicle accessories can be
used for up to 10 minutes after the
engine is turned off:
• Audio System
• Power Windows
• Sunroof (If Equipped)
• Auxiliary Power Outlet
Power to the ...
Exterior Lamps Off Reminder
A warning chime sounds if the driver door is opened while the ignition is off and the exterior lamps are on. ...