Jeep 2011 Wrangler - Manual (Page 139)

Front Seatback Recline
Lean forward before lifting the handle, then lean back to
the desired position and release the handle. Lift the
handle to return the seatback to an upright position.
WARNING!
Do not ride with the seatback reclined so that the
shoulder belt is no longer resting against your chest.
In a collision you could slide under the seat belt,
which could result in serious injury or death.
Seat Height Adjustment Recline Lever
3
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 137