Up-Shift Light
The vehicle may have an up-shift light. It indicates when to shift to the next higher gear for best fuel economy.
See Manual Transmission for more information.
For the CTS-V, the tracer lights function as a performance up-shift light.
The tracers flash to indicate when to shift to the next higher gear to avoid the engine speed limit.
See Automatic Transmission or Manual Transmission for more information.
See also:
Voice Recognition
The voice recognition system uses commands to control the system and dial
phone numbers.
Noise: The system may not recognize voice commands if there is too much
background noise.
When to Speak ...
When the System Does Not Seem To Work Properly
The RVC system might not work properly or display a clear image if:
The RVC is turned off. See “Turning the RVC System On or Off” earlier
in this section.
It is dark.
The sun or the beam of ...
Customer Assistance Offices (Mexico)
To contact the Customer Assistance Center (CAC), use the phone numbers
listed in this section.
Customer assistance is available Monday through Friday, 08:00 to 20:00
hours, and Saturdays from 08: ...