GMC Sierra Hybrid 2011 Owner's Manual page 14

4-6 Storage
Tightening the Clamp
1. Push the handle forward to
release it from the clamped
position.
2. Disengage the clamp from the
inner edge of the bed rail and
slide the assembly inward.
3. Adjust the clamp height on the
bolt by turning the entire clamp
assembly counter-clockwise.
4. Attach the clamps as indicated
in steps 4 and 5 of Installing the
Cover.
Loosening the Clamp
1. Return the handle to the fully
disengaged position.
2. Disengage the clamp from the
inner edge of the bed rail and
slide the assembly inward.
3. Adjust the clamp height by
turning the entire clamp
assembly clockwise.
4. Reattach the clamps as
indicated in steps 4 and 5 of
Installing the Cover.
Tonneau Cover (Soft
Tonneau)
Side Rail
WARNING
An improperly stored cargo cover
could be thrown about the vehicle
during a collision or sudden
maneuver. Someone could be
injured. If the cover is removed,
always store it in the proper
storage location. After positioning
the cargo cover back on the
vehicle, always be sure that it is
securely reattached by properly
securing the straps and latches.
Installation
1. The adjuster screw end of each
side rail should point in the
direction of the cab.
2. Place each side rail on top of the
truck box.