2005 Toyota Tacoma Owners Manual - Page 170

05 02.25 (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 (with manual transmission) SHIFTING BETWEEN "H2" AND "H4" To shift from "H2" to "H4", reduce the vehicle speed to less than 100 km/h (62 mph) and turn the front drive control switch knob fully clockwise. If the four- wheel drive indicator light continues to blink when you operate the front drive control switch knob from the "H2" to the "H4" position, this reminds you that the transfer mode is not securely in "H4" mode. Drive straight ahead while accelerating or decelerating. If the four- wheel drive indicator light continues to blink and the buzzer sounds when you operate the front drive control switch knob from the "H2" to the "H4" position, this reminds you that the transfer mode is not in "H4" mode. Stop the vehicle or reduce the vehicle speed to less than 100 km/h (62 mph). Operate the switch knob again. To shift from "H4" to "H2", turn the front drive control switch knob fully counterclockwise. This can be done at any speed. You need not depress the clutch pedal. If the four- wheel drive indicator light continues to blink when you operate the front drive control switch knob from the "H4" to the "H2" position, this reminds you that the transfer mode is not securely in "H2" mode. Drive straight ahead while accelerating or decelerating, or drive forward or backward in a short distance. 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. CAUTION Never operate the front drive control switch knob if the wheels are slipping. Stop the slipping or spinning before operating. CAUTION Never operate the front drive control switch knob if the wheels are slipping. Stop the slipping or spinning before operating. 170 2005 TACOMA from Mar. '05 Prod. (OM35862U)