Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception.
Cellular reception is required for OnStar to send remote signals to the vehicle.
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
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Additional Factors Affecting System Operation
Safety belts help keep the
passenger in position on the seat
during vehicle maneuvers and
braking, which helps the passenger
sensing system maintain the
passenger airbag status.
See “Safety ...
Steering
Hydraulic Power Steering
Your vehicle has hydraulic
power steering. It may require
maintenance. See Power Steering
Fluid.
If power steering assist is lost due
to a system malfunction, the ve ...