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 Level Control
The automatic level control rear suspension comes as a part of the Road Sensing
Suspension. See Road Sensing Suspension .
This type of level control is fully automatic and will provide a bett ...
Going & Stopping
Don't let its 265-horsepower rating fool you: The base V-6 left me wanting.
Displacing 3.0 liters, it's in the same direct-injection family as the 3.6-liter
V-6 that adeptly moves several GM produ ...
How the System Works
The SBZA symbol lights up in the side mirrors when the system detects a vehicle
in the side blind zone, indicating it may be unsafe to change lanes. Before making
a lane change, check the SBZA dis ...






