1993 Chevrolet Suburban Owner's Manual - Page 153

Rear Air Conditioning and Heating Systems (Wagon Models) If-yourvehiclehaseitherorbothofthesesystems,youcanincreaseand decreasetheair flow attherearvents.Dependingonthesystemyouhave andthesettingselected, you cansendcooled or heatedairtotherear the vehicle. of Rear Air Conditioning (Without Rear Heater) Control Rear Control Front K 2478 If yourvehiclehasrearairconditioning(withoutrearheater),thecontrolsare locatedabovethefrontandsecondseats.Thefrontandrearoverhead controls let youincreaseanddecreasetheairflowattherearvents. To operate the rearairconditioningsystem,thefrontairconditioningsystem air conditioningsystem off, therearsystem mustbeon.Withthefront controlscan beused to circulateairinthe rear of thevehicle. To operate the rearsystem using the front control, just turn the knob blower position you want. to to REAR CNTL. To usetherearcontrol,firstturnthefrontcontrolknob Then,therearcontrol can beusedtoincreaseanddecreasetheairflow. 3-8