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:
How to Check Automatic Transmission Fluid
Notice: Too much or too little fluid can damage the transmission. Too much can
mean that some of the fluid could come out and fall on hot engine parts or exhaust
system parts, starting a fire. Too ...
Passing Another Vehicle While Using Cruise Control
Use the accelerator pedal to increase the vehicle speed. When you take your foot
off the pedal, the vehicle will slow down to the previous set cruise speed. ...
Unlocked Door Anti Lock Out
When on, this feature will keep the driver door from locking when the door
is open. If Off is selected, the Delayed Door Lock menu will be available and
the door will lock as programmed through this ...