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:
Towing with a Stability Control System
When towing, the sound of the stability control system might
be heard. The system is reacting to the vehicle movement caused by the trailer,
which mainly occurs during cornering. This is normal wh ...
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 ...
Safety
The Regal comes with a standard array of airbags, and rear seat-mounted side
airbags are available in the two most expensive option packages. Because the car
just went on sale, it hasn't been cras ...