Accessories and Modifications
Doing Your Own Service WorkOnStar® Destination Download
The destination download lets an OnStar® subscriber ask an OnStar Advisor to
download a destination to the navigation system. OnStar will send address information
and location coordinates of the destination into the navigation system.
Using Destination Download
If the navigation radio screen i ...
Lamp Messages
AUTOMATIC LIGHT CONTROL ON
This message is displayed when the automatic light control has been turned on.
AUTOMATIC LIGHT CONTROL OFF
This message is displayed when the automatic light control has been turned off.
XXX TURN INDICATOR FAILURE
When one of the turn signals is out, this message disp ...
Air/Wind Noise
Special Tools
CH-39570 Chassis Ear
GE-41416 Ultrasonic Leak Detector
Warning: Refer to Assistant Driving Warning in the Preface section.
To analyze a reported windnoise condition, test drive the vehicle to
determine the origin of the noise.
Choose a regular route with smooth and strai ...