Special Application Services
○ Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000
km/ 3,000 mi.
○ Have underbody flushing service performed once a year.
See also:
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 Calling ar ...
Doors Liftgate
WARNING
Exhaust gases can enter the vehicle if it is driven with the liftgate or trunk/hatch
open, or with any objects that pass through the seal between the body and the trunk/hatch
or liftgate. ...
Antilock Brake System (ABS) Warning Light
For vehicles with the Antilock Brake System (ABS), this light comes on briefly
when the engine is started. If the light does not come on, have it fixed so it will
be ready to warn if there is a ...





