2013 Nissan Altima Owner's Manual - Page 22

WRS0740 LRS2162 WRS0743 Type A Type B Seat lifter (if so equipped for driver's seat) Type A: Pull up or push down the adjusting lever to adjust the seat height until the desired position is achieved. Type B: Push the switch up or down to adjust the angle and height of the seat cushion. Lumbar support (if so equipped for driver's seat) The lumbar support feature provides lower back support to the driver. Push the switch forward or backward to adjust the seat lumbar area. Safety-Seats, seat belts and supplemental restraint system 1-5