Transmission Messages
MANUAL SHIFT
This message displays when the automatic transmission is in manual mode. See Manual Mode for more information.
TRANSMISSION HOT IDLE ENGINE
Notice: Do not drive the vehicle while the transmission fluid is overheating and the transmission temperature warning is displayed on the instrument panel cluster and/or DIC, or the transmission can be damaged. This could lead to costly repairs that would not be covered by the warranty.
This message displays along with four chimes 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 and the chime stops when the fluid temperature reaches a safe level.
See also:
Special Application
Services
- Vehicles with manual
transmissions: Every two years
drain, flush, and fill clutch
hydraulic system.
- Severe Commercial Use
Vehicles Only: Lubricate
chassis components every
5 000 km/3, ...
ROTATE CONTROL TO
OFF POSITION
If the vehicle has the keyless
access system, this message
displays when the ignition is in
ACC/ACCESSORY and the shift
lever has just been moved to
P (Park). The message displays as
a rem ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...