OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationAntilock Brake System (ABS) Warning Light
This light comes on briefly when
the engine is started.
If the light stays on, turn the ignition to LOCK/OFF or if the light comes on,
stop as soon as possible and turn the ignition off. Then start the engine again
to reset the system.
If the light still stays on, or comes on again while dr ...
Windshield and Wiper Blades
Clean the outside of the windshield with glass cleaner.
Clean rubber blades using a lint-free cloth or paper towel soaked with windshield
washer fluid or a mild detergent. Wash the windshield thoroughly when cleaning the
blades. Bugs, road grime, sap, and a buildup of vehicle wash/wax treatment ...
Radio with Touchscreen
VOL
(Volume)
Press to decrease or increase the volume.
(Power)
Press and hold to turn the power on or off.
(Home Page)
Press to go to the Home Page. See Home Page (Radio with Touchscreen) on
page 7-5.
...