Hill start assist

Hill start assist helps you when pulling away forwards or in reverse on an uphill gradient. It holds the vehicle for a short time after you have removed your foot from the brake pedal. This gi ...

Automatic transmission

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See also:

Under hood covers - refitting
NOTICE Before refitting the underhood covers, ensure that no pipes, cables or other items, have been trapped between the cover and casing. 1. Slide the rear edge of the cover under the rubber ...

Liftgate
The liftglass or liftgate cannot be opened if the rear wiper is in motion. Attempting to open the liftglass or liftgate while the rear wiper is in motion will cause the release of the liftglass or ...

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 ...