Up-Shift Light

Vehicles with a manual transmission have an up–shift light on the instrument panel. This light shows when to shift to the next higher gear for the best fuel economy.
When this light comes on, you can shift to the next higher gear if weather, road, and traffic conditions allow. For the best fuel economy, accelerate slowly and shift when the light comes on.
While you accelerate, it is normal for the light to go on and off if you quickly change the position of the accelerator. Ignore the light when you downshift.
CTS-V vehicles use tracer lights around the outside of the tachometer as a performance up–shift light. These tracers flash to indicate when to shift to the next higher gear to avoid the engine speed limit. See Tachometer for more information.
See also:
Extending Engine Run Time
For a 10-minute extension, repeat Steps 1 and 2 while the engine is still
running. The remote start can only be extended once.
When the remote start is extended, the second 10-minute period will s ...
Cleaning Exterior Lamps/ Lenses and Emblems
Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean
exterior lamps and lenses. Follow instructions under "Washing the Vehicle" later
in this section. ...
Interior Lighting
Reading Lamps
The reading lamps are located on
the overhead console. These lamps
come on automatically when any
door is opened.
For manual operation, press the
button next to each lamp to tu ...






