GMC Sierra
Sierra is a 4-door, up to 6-passenger full size pickup.
See also:
New for 2012
E85 ethanol capability is now available for the 2.4-liter Ecotec
four-cylinder engine. A touch-screen CD stereo is standard on all models, and
GMC IntelliLink enables smartphone integration and th ...
Lumbar Adjustment
Manual Lumbar
If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward.
See Lumbar Adjustment on page 3‑4 for more information.
Power Lumbar
To ...
Heated Front Seats
WARNING
If you cannot feel temperature change or pain to the skin, the seat heater may
cause burns even at low temperatures. To reduce the risk of burns, people with such
a condition should use c ...





