Service Only Mode
This power mode is available for service and diagnostics, and to verify the proper operation of the malfunction indicator lamp as may be required for emission inspection purposes. With the vehicle off, and the brake pedal not applied, pressing and holding the button for more than five seconds will place the vehicle in Service Only Mode. The instruments and audio systems will operate as they do in ON/RUN, but the vehicle will not be able to be driven. The engine will not start in Service Only Mode. Push the button again to turn the vehicle off.
See also:
Transmission
Automatic Transmission
P: Park
R: Reverse
N: Neutral
D: Drive
Manual Mode
Move the selector lever from D (Drive) to the left. Press the shift lever forward (+) to upshift or rearward ( ...
Rear Window Lockout
Rear Window Lockout
This feature prevents the rear
passenger windows from operating,
except from the driver position.
Press o to activate the rear
window lockout switch. The LED (A)
comes ...
OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that
can be used to interact with OnStar® Hands-Free
Calling.
On some vehicles, you may have to hold the
button for a few seconds and give the command
†...
