See also:

Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might get hot and no longer work well. Vehicles can tow ...

Transmission Messages
DIFFERENTIAL HOT, REDUCE SPEED (CTS-V ONLY) This message displays and a chime sounds if the differential fluid temperature exceeds 150°C (300°F). Driving aggressively or at high speeds can ...

Starting the Engine
If the vehicle is a hybrid, see the hybrid supplement for more information. Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the engine w ...