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:
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 v ...
Backglass Antenna
The AM-FM antenna is integrated
with the rear window defogger,
located in the rear window.
Make sure that the inside surface of
the rear window is not scratched
and that the lines on the glas ...
Securing an Add-On Child Restraint in the Vehicle
WARNING
A child can be seriously injured or killed in a crash if the child restraint
is not properly secured in the vehicle. Secure the child restraint properly in the
vehicle using the vehi ...