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:
How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface.
For Two-Wheel-Drive vehicles, the proper level is from 15mm to 40mm (0.6
in to 1.6 in) below the bottom of the filler plu ...
Starting the Vehicle Messages
PRESS BRAKE TO START VEHICLE
This message is displayed when attempting to start the vehicle without first
pressing the brake pedal.
SERVICE KEYLESS START SYSTEM
This message is displayed if ...
XM NavTraffic (USA and Canada)
Vehicles with the navigation system have an XM NavTraffic receiver. XM NavTraffic
is a subscription service provided via XM Satellite Radio. XM NavTraffic provides
real-time traffic information fu ...






