GMC Sierra
GMC Sierra

See also:
Power Reclining Seatbacks
To recline a power seatback, if equipped:
• Tilt the top of the control rearward to recline.
• Tilt the top of the control forward to raise. ...
Shutting the Engine Off After a Remote Start
To shut off the engine:
○ Press until the parking lamps
turn off.
○ Turn on the hazard warning flashers.
○ Insert the key and turn it to ON/ RUN and then back to LOCK/OFF. ...
Engine Coolant Heater
The engine coolant heater, if available, can help in cold weather conditions
at or below −18°C (0°F) for easier starting and better fuel economy during engine
warm-up. Plug in the coolant ...





