See also:

Power Liftgate
On vehicles with a power liftgate, the switch is on the driver door. The vehicle must be in P (Park) to use the power feature. The taillamps flash when the power liftgate moves. WARNING ...

OnStar®
If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations. The OnStar Terms and Conditions provides information on data ...

Auto Wipe in Reverse Gear
When on, and the front windshield wipers are on, the rear window wiper will turn on automatically when the vehicle is shifted into R (Reverse). Press the MENU/SELECT knob when Auto Wipe in Reverse ...