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:
Finding a Category (CAT) Station
CAT (Category): The CAT button is used to find XM stations when the radio is in the XM mode.
To find XM channels within a desired category:
1. Press BAND until the XM frequency displays.
2. Press C ...
Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote
Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously
for five days. After five days, ...
If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow.
See “Rocking Your Vehicle to Get It Out” later in this section.
If the vehicle has a traction sys ...