Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push
, and an Advisor can run a check.
See also:
Steering Wheel Controls
Steering Wheel Controls
If available, some audio controls can be adjusted at the steering wheel.
: Press to go to the next favorite radio station, track on a CD, or folder on an iPod® or USB ...
Driving Characteristics and Towing Tips
WARNING
The driver can lose control when pulling a trailer if the correct equipment is
not used or the vehicle is not driven properly. For example, if the trailer is too
heavy, the brakes may not ...
Tips and Troubleshooting Chart
Problem
Recommended Action
There is no power.
The ignition might not be turned to ON/RUN or ACC/ACCESSORY.
The picture does not fill the screen. There are black bord ...





