See also:

Under the Hood
GM's two-mode hybrid system enables "full" hybrid operation with the capability to cruise on electric power up to 30 mph. The gas engine kicks in if more acceleration is needed, as well ...

Using Voice Commands During a Planned Route
Cancel Route 1. Push X. System responds: “OnStar ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel route directions to your destination?” 2. Say “Ye ...

Reducing Speed While Using Cruise Control
If the cruise control system is already activated: • Press and hold the SET– button on the steering wheel until the lower speed desired is reached, then release it. • To slow down in small amo ...