Transmission Messages
SERVICE TRANSMISSION
This message displays if there is a problem with the transmission.
See your dealer.
SHIFT DENIED
This message displays when using the Driver Shift Control (DSC) and attempting to shift to a gear not appropriate for the vehicle speed and engine revolutions per minute (rpm). See Manual Mode for more information.
SHIFT TO PARK
This message displays when the transmission needs to be shifted to P (Park). This may appear when attempting to remove the key from the vehicle if the vehicle is not in P (Park).
TRANSMISSION HOT — IDLE ENGINE
This message displays and a chime sounds if the transmission fluid in the vehicle gets hot. Driving with the transmission fluid temperature high can cause damage to the vehicle.
Stop the vehicle and let it idle to allow the transmission to cool.
This message clears when the fluid temperature reaches a safe level.
See also:
Hill Start Assist (HSA)
This vehicle has a Hill Start Assist (HSA) feature, which may be useful when
the vehicle is stopped on a grade. This feature is designed to prevent the
vehicle from rolling, either forward or rearwa ...
That Thing Got a Supercharger?
Yes, the CTS-V does indeed have a supercharged V-8, but you'd be hard-pressed
to know it by listening to the engine. Step on the gas and the most noticeable
sound is the burbling exhaust, which qu ...
Tire Sidewall Labeling
Useful information about a tire is molded into its sidewall.
The examples show a typical passenger vehicle tire and a compact spare tire
sidewall.
Passenger (P—Metric) Tire Example
(A) T ...






