Warning
Exhaust gases can enter the vehicle if it is driven with the liftgate, hatch/trunk open, or with any objects that pass through the seal between the body and the hatch/trunk or liftgate. Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. It can cause unconsciousness and even death.
If the vehicle must be driven with the liftgate or hatch/trunk open:
For more information about carbon monoxide, see Engine Exhaust.
To lock or unlock the liftgate from the inside, press
or
on the central locking switch or on
the driver door.
The vehicle must be in P (Park) for automatic transmissions. For manual transmissions the parking brake must be engaged.

To open the liftgate from the outside, press
on the RKE transmitter to unlock all
doors, then use the touch pad.
See Remote Keyless Entry (RKE) System Operation.
When closing the liftgate, close from the center to ensure that it fully latches.
Emergency Trunk Release Handle
Vehicle SecurityUSB Port
The USB Port, if equipped, is in the storage area to the right of the infotainment
system. See Overview (Radio with Touchscreen) or Overview (AM-FM Radio) or Overview (Radio with CD/USB).
Portable devices are controlled by using the menu system described in Operation.
1. 3.5mm (1/8 ...
Immobilizer Description and Operation
The immobilizer system functions are provided by the body control module (BCM)
and the engine control module (ECM), as well as any modules which store and report
the environment identifier.
When an ignition key is inserted into the ignition lock cylinder and the ignition
is switched ON, the ...
Data Link Communications Description and Operation
Note: This is an overview of different serial data buses used by GM
devices to communicate with each others. Use Data Communication Schematics to
find out which serial data buses are configured for a specific vehicle.
Circuit Description
There are many components in a vehicle t ...