When to Inspect the Engine Air Cleaner/Filter
Inspect or replace the air cleaner/ filter at the scheduled maintenance intervals. See Maintenance Schedule on page 11‑3 for more information. If driving in dusty/dirty conditions, inspect the filter at each engine oil change.
See also:
Four-Wheel-Drive Light
For vehicles equipped with the four-wheel-drive light, it comes on when a vehicle with a manual transfer case is shifted into four-wheel drive and the front axle engages.
Some delay between the shi ...
Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, i ...
How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance,
Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation,
and Hands-Free Callin ...