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Turn Signal Indicator

GMC Sierra / GMC Sierra Owners Manuals / Keys, Doors, and Windows / Exterior Mirrors / Folding Mirrors / Turn Signal Indicator

The vehicle may also have a turn signal indicator on the mirror. An arrow on the mirror flashes in the direction of the turn or lane change.

See also:

Configurations for Use of Child Restraints
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Engine Cooling When Trailer Towing
The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating on page 10‑18. ...

Obstacle Detection Features
A warning chime will sound and the liftgate will automatically reverse direction to the full closed or open position if an obstacle is encountered during a power open or close cycle. After removing th ...