2007 Toyota Tundra Owners Manual - Page 259

07 04.26 If there is any malfunction within the brake system, "4HI" or "4LO" indicator light blinks and the transfer mode may not be able to be shifted from "4H" to "2WD". If the indicator light continues to blink even if doing so, contact your Toyota dealer as soon as possible. There may be a trouble in the four −wheel drive system. 4. Maintain this condition until the "4LO" or "4HI" indicator light comes on. If the "4LO" indicator light continues to blink...If this indicator light continues to blink when you operate the front drive control switch knob to the "4H" or "4L" position, stop the vehicle completely, shift the automatic transmission selector lever securely into "N" and operate the switch knob again. If there is any malfunction in the brake system or the engine, "4HI" or "4LO" indicator light blinks and the transfer mode may not be able to be shifted from "4H" to "4L". If the indicator continues to blink even if doing so, contact your Toyota dealer as soon as possible. There may be a trouble in the four −wheel drive system. CAUTION Never operate the front drive control switch knob if the wheels are slipping. Stop the slipping or spinning before operating. SHIFTING BETWEEN "4H" AND "4L" To shift between "4H" and "4L" 1. Bring the vehicle to a complete stop with the brake pedal held down. 2. Shift the automatic transmission selector lever into "N". 3. To shift from "4H" to "4L", push and turn the front drive control switch knob fully clockwise. To shift from "4L" to "4H", turn the front drive control switch knob counterclockwise. INFORMATION z If the engine coolant temperature is too low the transfer mode may not be able to be shifted. When the engine is warmer operate the switch knob again. z If the automatic transmission selector lever is moved before the indicator comes on, the transfer mode may not be shifted completely. In this case, stop the vehicle completely, return the automatic transmission selector lever to "N" and operate the switch knob again. 2007 TUNDRA from Jul. '07 Prod. (OM34463U) 241