Horn; Hazard Warning Flashers; Tilt Wheel - GMC 2010 T-Series Owner's Manual

Hazard Warning Flashers

The hazard warning flashers are controlled by the lever
located to the right of the steering column.
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(Hazard Warning Flasher): Move the lever up to
make the front and rear turn signal lamps flash on and
off. This warns others that you are having trouble. Move
the lever down again to turn the flashers off.
When the hazard warning flashers are on, the turn
signals will not work. The hazard warning flashers will
not flash if the brakes are applied.

Horn

Sound the horn by firmly pressing the pad in the center
of the steering wheel.
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Tilt Wheel

A tilt steering column lets the steering wheel be
adjusted.
To tilt the column, hold the
steering wheel and pull
the lever on the left side
of the column to unlock
the steering column.