Dodge 2015 Durango - Owner Manual - Manual (Page 146)

Power Lumbar — If Equipped
Vehicles equipped with power driver or passenger seats
may also be equipped with power lumbar. The power
lumbar switch is located on the outboard side of the
power seat. Push the switch forward to increase the
lumbar support. Push the switch rearward to decrease
the lumbar support. Pushing upward or downward on
the switch will raise and lower the position of the
support.
Power Lumbar Switch
144 UNDERSTANDING THE FEATURES OF YOUR VEHICLE