2008 Toyota Tacoma Owners Manual - Page 212

08 02.19 TO ACTIVATE THE DOWNHILL ASSIST CONTROL SYSTEM 1. Turn the front drive control switch knob to the "L4" position. The system does not operate when the front drive control switch knob is in the "H2" or "H4" position, or the rear differential is locked. 2. In order to make full use of the engine brake, putting the transmission in "L" or "2" is recommended. The system will operate even if the transmission selector lever is in "D", "4", "3" or "N". However, when it is in "L" or "2" the engine brake can also be utilized enabling the system to operate more effectively. LS17016a LS17007b 3. Push the "DAC" switch to turn the system on. The downhill assist control system indicator light on the instrument panel will come on. If the downhill assist control system indicator light flashes, one of the following may be the cause: D The selector lever is in the "N" position. With the vehicle traveling at a speed of 25 km/h (15 mph) or less, release your foot from the accelerator or brake pedal to activate the system. The vehicle will descend the hill at a low speed. While the system is operating, the slip indicator light on the instrument panel will flash and the stop lights and high mounted stoplight will be lit. If you push the "DAC" switch to turn the system off while it is in operation, the system will stop operating gradually. The downhill assist control system indicator light will flash to alert the driver. To continue driving at a low speed, push the "DAC" switch to turn the system on. D The front drive control switch knob is in the "H2" or "H4" position. D The rear differential is locked. If the indicator light does not come on when the switch is pushed, contact your Toyota dealer. 188 2008 TACOMA from Apr. '08 Prod. (OM35898U)