Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Vehicle Personalization
Some vehicle features can be
programmed by using the audio
system controls. These features
include:
• Climate and Air Quality
• Comfort and Convenience
• Collision/Detection Systems
†...
Windshield Wiper/Washer
The windshield wiper lever is on the side of the steering column. With the ignition in ACC/ ACCESSORY or ON/RUN, move the windshield wiper lever to select the wiper speed.
2: Use for fast wipes.
1 ...
Maintenance when Trailer
Towing
The vehicle needs service more
often when pulling a trailer. See the
Maintenance Schedule. Things that are
especially important in trailer
operation are automatic
transmission fluid, engine ...