2010 Toyota Highlander Owners Manual - Page 248

2-4. Using other driving systems n Turning off TRAC and Enhanced VSC Push and hold the button while the vehicle is stopped to turn off TRAC and Enhanced VSC. The "TRAC OFF" and Enhanced VSC off indicator light should come on. Push the button again to turn the system back on. n Automatic reactivation of TRAC and Enhanced VSC Vehicles without smart key system Turning the engine switch to the "OFF" position after turning off the TRAC and Enhanced VSC systems will automatically re-enable them. Vehicles with smart key system Turning the "ENGINE START STOP" switch OFF after turning off the TRAC and Enhanced VSC systems will automatically re-enable them. n Automatic TRAC reactivation If only the TRAC system is turned off, the TRAC system will turn on when vehicle speed increases. n Automatic TRAC and Enhanced VSC reactivation If the TRAC and Enhanced VSC systems are turned off, the systems will not turn on even when vehicle speed increases. n Sounds and vibrations caused by the ABS, TRAC, Enhanced VSC and brake assist l A sound may be heard from the engine compartment when the engine 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. l Any of the following conditions may occur when the above systems are operating. None of these indicates that a malfunction has occurred 220 Vibrations may be felt through the vehicle body and steering. A motor sound may be heard after the vehicle comes to a stop. The brake pedal may pulsate slightly when the ABS is activated. The brake pedal may move down slightly after the ABS is activated.