2011 Toyota Tundra Double Cab Owners Manual - Page 276

2-4. Using other driving systems n Automatic reactivation of TRAC, A-TRAC, VSC and Trailer Sway Control Turning the engine switch off after turning off the TRAC, A-TRAC, VSC and Trailer Sway Control systems will automatically re-enable them. n Sounds and vibrations caused by the ABS, TRAC, A-TRAC, VSC, Trailer Sway Control and Brake Assist system l A sound may be heard from the engine compartment when the engine is started and 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 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 after the ABS is activated. The brake pedal may move down slightly after the ABS is activated. n If the brake system overheats TRAC or A-TRAC will cease operation, and the slip indicator will change from flashing to being on continuously to alert the driver. Stop the vehicle in a safe place. (There is no problem with continuing normal driving.) n Shifting to 4L VSC and Trailer Sway Control are automatically turned off. 248