Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception.
Cellular reception is required for OnStar to send remote signals to the vehicle.
See also:
Checking Coolant in the
Intercooler System (CTS-V)
The vehicle must be on a level
surface when checking the
coolant level.
The super charged engine
intercooler coolant fill neck is
located in the engine compartment
on the passenger side of ...
Parking on Hills
WARNING!
Parking the vehicle on a hill with
the trailer attached can be
dangerous. If something goes
wrong, the rig could start to move.
People can be injured, and both
the vehicle and the t ...
Traction Control System (TCS)/StabiliTrak® Light
The TCS/StabiliTrak light comes on briefly when the engine is started.
If the light does not come on or stays on, have the vehicle serviced by the dealer.
If the system is working normally, the i ...