GMC 2008 Acadia - Manual (Page 148)

Hazard Warning Flashers
The hazard warning flashers let you warn others. They
also let police know you have a problem. The front
and rear turn signal lamps will flash on and off.
The hazard warning
flasher button is
located in the center
of the instrument panel,
below the audio system.
Press the button to make the front and rear turn signal
lamps flash on and off. Press the button again to
turn the flashers off.
The hazard warning flashers work at all times.
However, when they are on, the turn signals
will not work.
Other Warning Devices
If you carry reflective triangles, you can set them up
at the side of the road about 300 feet (100 m) behind
your vehicle.
Horn
Press near or on the horn symbols on the steering
wheel pad to sound the horn.
Tilt and Telescopic Steering Wheel
A tilt and telescope wheel lets you adjust the steering
wheel before you drive. The steering wheel can be
raised to the highest level to give your legs more room
when you enter and exit the vehicle.
The lever that lets you tilt and telescope the steering
wheel is located on the left side of the steering column.
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