Automatic Transmission
Driver Shift Control (DSC) or Tap Shift
Driver Shift Control (DSC) allows shifting an automatic transmission similar to a manual transmission.
DSC can be enabled through the shift lever or the Tap Shift controls, located on the back of the steering wheel (if equipped). See Manual Mode.
See also:
Backing Up
Hold the bottom of the steering wheel with one hand. Then, to move the trailer
to the left, move that hand to the left. To move the trailer to the right, move
your hand to the right. Always back u ...
Customer Assistance Offices (Mexico)
To contact the Customer Assistance Center (CAC), use the phone numbers listed
in this section. Customer assistance is available Monday through Friday, 08:00 to
20:00 hours, and Saturdays from 08:0 ...
Onstar.com
The website provides access to
account information, manages the
OnStar subscription, and allows
viewing of videos of each service.
Get subscription plan pricing and
sign up for OnStar Vehicle ...






