2005 Toyota Tacoma Owners Manual - Page 186

05 02.25 Parking brake The following systems do not operate when the rear differential is locked. It is normal operation for the "ABS" warning light ,"VSC OFF" indicator light and slip indicator light to be on at this time. With the downhill assist control system: If the "DAC" switch turns on, the downhill assist control system indicator light flashes. To unlock the differential, switch once again. push the Unlock the differential as soon as the vehicle moves out. For easy unlocking, slightly turn the steering wheel in either direction while the vehicle is in motion. When the differential lock is disengaged, the indicator light will go out. Four- wheel drive models- The differential will also unlock if you shift the front drive control switch knob to the "H2" or "H4" position. Never forget to turn off the switch after using this feature. To check the indicator bulb, turn the ignition key to the "ON" position, but do not start the engine. LS17018 D D D D D D Anti- lock brake system Brake assist system Vehicle stability control system Traction control system Downhill assist control system Hill- start assist control system Pedal type CAUTION D Do not lock the differential until the wheels have stopped spinning. Otherwise, the vehicle may move in an unexpected direction when the differential lock is engaged, resulting in an accident. This may also lead to possible damage to differential lock component parts. CAUTION Do not keep driving with the differential lock switch on. LS17019 D Do not drive over 8 km/h (5 mph) when the differential is locked. Lever type 186 2005 TACOMA from Mar. '05 Prod. (OM35862U)