|
|
|
326 4-5. Using the driving support systems Q Turning off both TRC and VSC systems To turn the TRC and VSC systems off, press and hold the switch for more than 3 seconds while the vehicle is stopped. and the “Traction Control Turned Off” will * Press the switch again to turn the sys- tems back on. * : On vehicles with PCS (Pre-Collision Sys- tem), PCS will also be disabled (only Pre- P.266) Q When the message is displayed on the multi-information display showing that TRC has been disabled even if the
switch has not been pressed TRC is temporary deactivated. If the infor- mation continues to show, contact any authorized Lexus retailer or Lexus autho- rized repairer, or any reliable repairer. Q Operating conditions of hill-start assist control When the following four conditions are met, the hill-start assist control will operate: O The shift position is in a position other than P or N (when starting off for- ward/backward on an upward incline). O The vehicle is stopped. O The accelerator pedal is not depressed. O The parking brake is not engaged. Q Automatic system cancelation of hill- start assist control The hill-start assist control will turn off in any of the following situations: O The shift position is shifted to P or N. O The accelerator pedal is depressed. O The parking brake is engaged. O 2 seconds at maximum elapsed after the brake pedal is released Q VGRS is disabled when VGRS may stop operating in the following situations. from its straight forward position, but it will return when the system restarts. O When the steering wheel is operated for an extended period of time while the vehicle is stopped or is moving very slowly (on vehicles with LDH, DRS is dis- abled together with VGRS) O When the steering wheel has been held fully to the left or right The center position of the steering wheel may change when VGRS is disabled. How- ever, the position will return to normal after VGRS is reactivated. Q When the 12-volt battery is discon- nected (vehicles with VGRS) The steering wheel may move from its straight forward position, but this will be corrected automatically when driving. Q Sounds and vibrations caused by the ABS, brake assist, VSC, TRC, hill-start assist control and VGRS systems O A sound may be heard from the engine compartment when the brake pedal is depressed repeatedly, when the engine <hybrid system> is started or just after the vehicle begins to move. This sound does not indicate that a malfunction has occurred in any of these systems. O Any of the following conditions may occur when the above systems are oper- ating. None of these indicates that a mal- |