The seat heaters and ventilators heat the seats and maintain
good airflow by blowing air from the seats.
Seat heaters Turns the seat heater on
The level indicator lights come on.
Press the " Seat ventilators ■ Seat heater Turns the seat heater on
The level indicator lights come on. Pressing the button changes modes in the following: Hi→Mid→Lo→Off ■ Seat ventilators Blows air from the seat
The level indicator lights come on. Pressing the button changes modes in the following: Hi→Mid→Lo→Off ■The seat heaters/seat ventilators can be used when The engine switch is in the "ON" position. ■Passenger seat ventilator timer (vehicles with seat ventilators)
■When not in use Turn the seat heaters or seat ventilators off by pressing the button. The indicator light turns off.
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Toyota Tundra Service Manual > Power Tilt And Power Telescopic Steering Column System: Lost Communication with Main Body ECU (U0142,U0208)
DESCRIPTION The multiplex tilt and telescopic ECU receives signals from the main body ECU (multiplex network body ECU) and front power seat switch LH via CAN communication. DTC Code Detection Condition Trouble Area U0142 Lost communication with main body ECU (multiplex network body ECU) CAN communic ...