Jeep 2010 Grand Cherokee - Owner Manual - Manual (Page 87)

WARNING!
Do not ride with the seatback reclined so that the seat
belt is no longer resting against your chest. In a
collision, you could slide under the seat belt and be
seriously or even fatally injured. Use the recliner
only when the vehicle is parked.
Manual Lumbar Support Adjustment
The manual lumbar support adjustment lever is located
on the right side of the driver’s seatback (all models) and
on the left side of the passenger’s seatback (if equipped).
Moving the lumbar control lever forward and rearward
will increase or decrease the lumbar support.
Manual Lumbar Control
86 UNDERSTANDING THE FEATURES OF YOUR VEHICLE