1995 GMC Yukon Owner's Manual - Page 23

Power Lumbar Adjustment To adjust the power lumbar, press the front of the lumbar switch at the side the seat. of Press the front the of switch to increase lumbar support. Press the rearof the switch to decrease lumbar support. As you press the back the switch,you will hear air leaving the lumbar of support in the seatback. Reclining Front Seatbacks To adjust the seatback, lift the front this of lever. Release the lever to lock the seatback where you want up on the it. Pull an front of the lever and the seatback will go to upright position. 1-3