OnStar Overview
EmergencyEngine Air Cleaner/Filter
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. If you are
driving in dusty/dirty conditions, inspect the filter at each engine oil change.
How ...
Courtesy/Illuminated Entry Lamps
The following lamps may be manually turned ON by placing the interior lamp
switch in the ON position, or by opening a door while the
switch is in the AUTO position.
The dome lamp
The liftgate lamps
Courtesy lamps
The courtesy lamp supply voltage circuit of the body control module (BCM) ...
Aluminum Wheel Refinishing
Finish Damage Evaluation Procedure
Note:
If the wheels are chrome-plated, do not re-plate or refinish the
wheels.
If the wheels are polished aluminum, do not refinish the wheels in
the dealer environment. Utilize a refinisher that meets
manufacturer guidelines.
Inspect the wheel ...