OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview .
See also:
Loss of Control
Skidding
There are three types of skids that
correspond to the vehicle's three
control systems:
- Braking Skid — wheels are
not rolling.
- Steering or Cornering
Skid — too much speed or
s ...
ELECTRONIC KEY NOT
DETECTED
If the vehicle has the keyless
access system, this message
displays if the vehicle does
not detect the presence of a
transmitter when you have
attempted to start the vehicle or
a vehicle d ...
Rear Compartment
Fuse Block
(CTS Coupe and Sedan)
The rear compartment fuse block is
located on top of the battery, on the
right side of the trunk. The battery
access door must be removed to
access the fuse block.
The vehicle may not be equi ...






