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:
When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine
oil and filter. This is based on a combination of factors which include engine
revolutions, engine temperature, and miles ...
Under the Hood
A 4.6-liter Northstar V-8 with variable valve timing produces 320 horsepower
at 6,400 rpm and 310 pounds-feet of torque at 4,400 rpm. Premium fuel is
recommended. The five-speed-automatic transmis ...
How to Detect a Tamper Condition
If is pressed and the horn
sounds, an attempted break-in has
occurred while the system was
armed.
If the alarm has been activated, the
THEFT ATTEMPTED message will
appear on the DIC. See A ...