2008 Toyota Tacoma Owners Manual - Page 211

08 02.19 Downhill assist control system The light may come on for 60 seconds after the engine switch is turned to "ON". It is normal if they go out after a while. Depressing the brake pedal repeatedly may turn on the light. It is normal if they go out after a few seconds. If the light flashes while driving, the vehicle stability control system does not work. However, if the brakes operate normally when applied, it is no problem to continue your driving. In the following cases, contact your Toyota dealer: "VSC OFF" warning light The light flashing warns that there is a problem somewhere in the following. The downhill assist control system is a system that assists the deceleration of the engine brake when you drive down a steep hill. When you are driving down a hill with the front drive control switch knob in the "L4" position, push the "DAC" switch to limit the vehicle's acceleration. If the vehicle is traveling at a speed of 25 km/h (15 mph) or less, you can descend at a constant speed. LS17010 CAUTION Do not rely excessively on the downhill assist control system. It may not be able to maintain a low speed over road surfaces or off −road surfaces on which sliding can easily occur, such as extremely steep slopes or icy or muddy roads. D The warning light does not come on after the engine switch is turned to "ON". D D D D D Vehicle stability control system Traction control system "AUTO LSD" system Hill −start assist control system Downhill assist control system D The warning light remains on after the engine switch is turned to "ON". D The warning light flashes while driving. The light comes on when the engine switch is turned to "ON", and will go off after a few seconds. 187 2008 TACOMA from Apr. '08 Prod. (OM35898U)