Transferring Service
Push 
to request account
transfer
eligibility information. The Advisor
can assist in canceling or removing
account information. If OnStar
receives information that vehicle
ownership has changed, OnStar
may send a voice message to the
vehicle, requesting updated account
information.
See also:
Engine Compartment
Fuse Block
(CTS Coupe and Sedan)
The underhood fuse block is
located on the left side of the engine
compartment.
Lift the fuse block cover to access
the fuses.
The vehicle may not be equipped
with all of the fuses and rel ...
UHP Controls
Use the buttons located on the infotainment system and the steering wheel to
operate the UHP system.
Steering Wheel Controls
Steering wheel controls can be used to:
- Answer incoming calls
...
Rear Window Defogger
The rear window defogger uses a
warming grid to remove fog or frost
from the rear window. It only works
when the ignition is in ON/RUN.
(Rear Window Defogger):
Press to turn the rear window
...