If the driver of a 2007-10 Acadia, 2007-09 OUTLOOK, 2008-10 Enclave, or 2009-10 Traverse mentions that the power liftgate does not work, check the position of the power liftgate disable switch.
Before a repair order is written or any repairs are made, make sure that the power liftgate disable switch, located on the center of the instrument panel below the climate controls, is not switched to the Off position. (Fig. 14)

In the Off position, the power function will not operate and the liftgate can only be opened or closed manually.
In addition, the RKE transmitter will not operate the power liftgate with the disable switch in the Off position. If the RKE liftgate button is pressed with the switch off, the lights will flash one time, but the power liftgate will not move.
TIP: When using the RKE transmitter to operate the power liftgate (with the disable switch not in the Off position), press and hold the liftgate button for one second to operate the liftgate.
If the power liftgate disable switch is in the Off position, press the top of the switch to turn on the power function and check for proper operation of the liftgate.
Be sure to explain to the customer the location and operation of the power liftgate disable switch.
- Thanks to Paige Hitch

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