Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Engine Compartment
Fuse Block
(CTS Wagon)
This fuse block is 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 relays
shown.
Notic ...
Reclining Seatbacks
WARNING!
Sitting in a reclined position when
the vehicle is in motion can be
dangerous. Even when buckled
up, the safety belts cannot do
their job.
The shoulder belt will not be
against yo ...
Battery Replacement
Replace the battery if the REPLACE
BATTERY IN REMOTE KEY
message displays in the DIC.
See “Replace Battery In Remote
Key” under Key and Lock Messages for additional
information.
Notice: When ...