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 when towing heavier trailers.
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 ...
Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the
person on the other end of the call cannot hear them.
To mute a call, press , and then say “Mute Call.” To cancel
mute, ...
Lock Sensor
When all doors are closed and the ignition is off, the vehicle can be locked
by pressing this area on the door handle. This feature will be available for
several minutes after the vehicle has be ...