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:
Interior Quality & Comfort
The CTS' cabin quality has held up well since this generation first hit the
road as a 2008 model, and it's still competitive against newer entrants like the
535i and M37. Among the highlights are ...
Tire Sealant and Compressor Kit
WARNING
Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine
exhaust may enter the vehicle. Engine exhaust contains carbon monoxide (CO)
which cannot be seen or smelled. ...
Service Manuals
Service Manuals have the diagnosis
and repair information on the
engines, transmission, axle,
suspension, brakes, electrical,
steering, body, etc. ...






