Power Seat Adjustment

A. Seat Adjustment Control
B. Seatback Control
C. Lumbar Control
To adjust a power seat, if equipped:
• Move the seat forward or rearward by sliding the control (A) forward or rearward.
• Raise or lower the entire seat by moving the control (A) up or down.
• Adjust the seatback by tilting the top of the control (B) forward or rearward.
See Reclining Seatbacks on page 3‑5.
• Increase or decrease lumbar support by pressing the front or rear of the control (C).
See Lumbar Adjustment on page 3‑4.
See also:
Vehicle Care
To help keep the vehicle looking like new, vehicle care products are available from your dealer.
For information on how to clean and protect the vehicle’s interior and exterior, see Interior Care o ...
Headlamp Aiming
The vehicle has a visual optical headlamp aiming system. The aim of the headlamps has been preset at the factory and should need no further adjustment.
However, if the vehicle is damaged in a crash, ...
All Terrain chassis and suspension
Based on the chassis of the 2011 Sierra HD trucks, the All Terrain HD
features a fully boxed steel frame with exceptional strength and torsional
stiffness. It incorporates the production models' n ...





