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:
Automatic Transmission
Driver Shift Control (DSC) or
Tap Shift
Driver Shift Control (DSC) allows
shifting an automatic transmission
similar to a manual transmission.
DSC can be enabled through the
shift lever or t ...
Headlamp Washer
For vehicles with headlamp washers, they are located to the side of the
headlamps.
The headlamps must be on in order to use the headlamp washers.
If the headlamps are not on, only the windshiel ...
Fuel Economy Light
This light should come on briefly as the vehicle is started. If it does not
come on, have the vehicle serviced by your dealer.
For vehicles with the fuel economy mode light, it comes on when t ...