Service All-Wheel Drive Light

This light should come on briefly when you turn on the ignition, as a check to show you it is working.
The service all-wheel drive light comes on to indicate that there may be a problem with the drive system and service is required. Malfunctions can be indicated by the system before any problem is apparent, which may prevent serious damage to the vehicle. This system is also designed to assist your GM dealer in correctly diagnosing a malfunction.
See also:
Adding Equipment to Your
Airbag-Equipped Vehicle
Q: Is there anything I might add to or change
about the vehicle that could keep the airbags
from working properly?
A: Yes. If you add things that change your vehicle’s
frame, bumper system, h ...
Global Off
Depending on the infotainment
system, the RSE system may have
a Global Off feature. The Global Off
feature disables all RSE system
features. Press and hold the radio
power button for more th ...
Using this Manual
To quickly locate information about the vehicle, use the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found. ...
