2006 Toyota Tundra Owners Manual - Page 197

'06 TUNDRA_U (L/O 0508) (b) A.D.D. (automatic disconnecting differential) 3. "4LO" (low speed position, four − wheel drive): With the "2WD/4HI" switch pressed in, push the "4LO" switch The "4LO" indicator light comes on when the "4LO" mode is selected. Use this for maximum power and traction. Use "4LO" mode for climbing or descending steep hills, off −road driving, and hard pulling in sand, mud or deep snow. In this mode, the vehicle stability control system is off. (See "Vehicle stability control system" in this Section.) See "(c) Shifting procedure" for further instructions. 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" AND "4HI" To shift from "2WD" to "4HI", reduce the vehicle speed to less than 100 km/h (62 mph) and push in the "2WD/4HI" switch. If the "4HI" indicator light flashes when you push in the "2WD/4HI" switch, this reminds you that the transfer mode is not securely in "4HI" mode. Drive straight ahead while accelerating or decelerating. If the "4HI" indicator light flashes and the buzzer sounds when you push in the "2WD/4HI" switch, this reminds you that the transfer mode is not in "4HI" mode. Reduce the vehicle speed to less than 100 km/h (62 mph). Push the switch to turn it off, then once again to turn it back on. CAUTION Never push the "2WD/4HI" switch if the wheels are slipping. Stop the slipping or spinning before shifting. 197 2006 TUNDRA from Oct. '06 Prod. (OM34458U)