OnStar
Keys and LocksRadio Controls with Touchscreen
The infotainment system is operated by using the pushbuttons, menus shown on
the display, and steering wheel controls.
Turning the System On or Off
(Power): Press and hold to turn
the radio on and off.
Automatic Switch-Off
If the infotainment system has been turned on after the ignition is ...
Parking Brake Adjustment (Disc Brake)
Note: The park brake cable adjusting nut is a nylon lock type. Use
ONLY HAND TOOLS whenever tightening or loosening the adjusting nut.
Apply and fully release the park brake several times. Verify that the park
brake lever releases completely.
Turn ON the ignition. Verify the red B ...
Battery Charging
Special Tools
EL 50313 Battery Tester
For equivalent regional tools, refer to Special Tools.
Diagnostic Aids
For best results, use an automatic taper-rate battery charger with a
voltage capability of 16 V.
The charging area should be well ventilated.
Do not charge a bat ...