Manual Lumbar :: Lumbar Adjustment :: Front Seats :: Seats and Restraints :: GMC Sierra Owners Manuals :: GMC Sierra | GMCia.com

Manual Lumbar

GMC Sierra / GMC Sierra Owners Manuals / Seats and Restraints / Front Seats / Lumbar Adjustment / Manual Lumbar

Manual Lumbar

If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward.

See also:

Park Brake and P (Park) Mechanism Check
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New for 2012
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