2007 Toyota Sequoia Owners Manual - Page 678

07 05.22 (b) A.D.D. (automatic disconnecting differential) The A.D.D. can be engaged or disengaged by the shifting operations described in "(c) Shifting procedure". You should drive in four −wheel drive for at least 16 km (10 miles) each month. This will assure that the front drive components are lubricated. (c) Shifting procedure SHIFTING BETWEEN "2WD" MODE AND "4HI" MODE To shift from "2WD" mode to "4HI" mode, reduce your speed to less than 100 km/h (62 mph) and press the "2WD/4HI" switch. If the "4HI" indicator light flashes when you press the "2WD/4HI" switch, drive straight ahead while accelerating or decelerating. If the "4HI" indicator light flashes and the buzzer sounds when you press the "2WD/4HI" switch, reduce the vehicle speed to less than 100 km/h (62 mph) and press the switch again. To shift from "4HI" mode to "2WD" mode, press the "2WD/4HI" switch again to turn it off. This can be done at any vehicle speed. If the "4HI" indicator light flashes when you press the "2WD/4HI" switch, drive straight ahead while accelerating or decelerating, or drive in reverse. SHIFTING BETWEEN "4HI" (UNLOCKED) AND "4HI" (LOCKED) To shift from "4HI" (UNLOCKED) to "4HI" (LOCKED), press the center differential lock switch. If the center differential lock indicator light flashes when you press the center differential lock switch, drive straight ahead while accelerating or decelerating. CAUTION Never press the "2WD/4HI" switch if wheels are slipping. Stop the slipping or spinning before shifting. CAUTION Never press the center differential lock switch if wheels are slipping. Stop the slipping or spinning before shifting. 182 2007 SEQUOIA from Aug. '07 Prod. (OM34462U)