Service Vehicle Messages
SERVICE A/C SYSTEM
This message displays when the electronic sensors that control the air conditioning and heating systems are no longer working.
Have the climate control system serviced by your dealer if you notice a drop in heating and air conditioning efficiency.
SERVICE VEHICLE SOON
This message displays when a non-emissions related malfunction occurs. Have the vehicle serviced by your dealer as soon as possible.
See also:
Cabin Luxury
The redesigned 2008 CTS was one of the prime examples of GM's renewed
commitment to interior quality, and the design has held up well over the past
few years; it still looks modern and inviting in ...
LED Lighting
This vehicle has several LED lamps.
For replacement of any LED lighting
assembly, contact your dealer. ...
Dual Tone Multi-Frequency (DTMF) Tones
The in—vehicle Bluetooth system can send numbers during a call. This is used
when calling a menu—driven phone system.
1. Turn or press the MENU/ SELECT knob and select Enter Number.
2. Enter the ...