2005 Subaru Legacy Owner's Manual - Page 41

Seat, seatbelt and SRS airbags Seat heater (if equipped) heater comes on when that seat heater is activated. When the vehicle's interior is warmed enough or before you leave the vehicle, be sure to turn the switch off. UB1208BA The seat heater operates when the ignition switch is either in the "ACC" or "ON" position. Each seat heater has four levels of adjustment. To use the heater in the right hand seat, turn the "R" adjustment knob forward until the " " mark reaches the desired position. To activate the heater in the left hand seat, turn the "L" adjustment knob forward until the " " mark reaches the desired position. Each heater warms the seat most quickly with the " " mark on the adjustment knob in the furthest-forward position. An indicator light on the adjustment knob for each seat 1-10 " There is a possibility that people with delicate skin may suffer slight burns even at low temperatures if they use the seat heater for a long period of time. When using the heater, always be sure to warn the persons concerned. " Do not put anything on the seat which insulates against heat, such as a blanket, cushion, or similar items. This may cause the seat heater to overheat. NOTE " Use of the seat heater for a long period of time while the engine is not running can cause battery discharge. " When cleaning the seat, do not use benzine, paint thinner, or any similar materials.