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:
What to Use
When windshield washer fluid needs to be added, be sure to read the manufacturer's
instructions before use. Use a fluid that has sufficient protection against freezing
in an area where the tem ...
Power Lumbar
To adjust the lumbar support,
if equipped:
- Press and hold the top of the
control (B) to increase support to
the top of the seatback and
decrease support to the bottom
of the seatback.
- ...
STS-V
A performance-oriented V edition of the STS goes on sale as a 2006 model.
Equipped with a supercharged 4.4-liter V-8 that produces 469 hp at 6,400 rpm and
439 pounds-feet of torque at 3,800 rpm, t ...






