Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
1. Stop the engine. Set the parking brake and shift the shift lever to P. 2. Remove the mud, snow or sand from around the rear wheels. 3. Place wood, stones or some other material to help provide traction under the rear wheels. 4. Restart the engine. 5. Shift the shift lever to D or R and release the parking brake. Then, while exercising caution, depress the accelerator pedal. ■When it is difficult to free the vehicle
Press Turn off TRAC and/or VSC if these functions are hampering your attempts to free the vehicle.
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Toyota Tundra Service Manual > Cruise Control System: Brake Switch "A" Circuit (P0571)
DESCRIPTION When the brake pedal is depressed, the stop light switch assembly sends a signal to the ECM. Upon receiving the signal, the ECM cancels the cruise control system. DTC No. Detection Item DTC Detection Condition Trouble Area P0571 Brake Switch "A" Circuit When voltage of STP terminal and t ...