Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.
See also:
Back-Up Lamps
To replace one of these bulbs:
1. Open the liftgate. See Liftgate .
A. Push Pin
B. Taillamp Cover
2. Pull on push pin (A) to release the taillamp cover (B).
3. Remove the taillamp cover ...
Trailer Towing
(CTS-V and Coupe)
The vehicle is neither designed nor
intended to tow a trailer. ...
Lateral Acceleration (CTS-V Only)
Lateral Acceleration measures
the force of a turn or corner.
For example, when turning right, it
forces to the left. This gauge
displays the “g” force from 0.0 g
to 2.0 g. ...






