See also:

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...

Setting the Power Liftgate 3/4 Mode
To change the liftgate stop position. 1. Turn the liftgate switch to either the MAX, or the 3/4 mode position and power open the liftgate. 2. Stop the liftgate movement at the desired height by p ...

Driving in Water
WARNING Driving through rushing water can be dangerous. Deep water can sweep your vehicle downstream and you and your passengers could drown. If it is only shallow water, it can still wash a ...