Toyota Sienna 2010-2022 Owners Manual: Heated steering wheel/seat heaters

Toyota Sienna 2010-2022 Owners Manual / Interior features / Using the air conditioning system and defogger / Heated steering wheel/seat heaters

Heated steering wheel and seat heaters heat the side grips of the steering wheel and seats, respectively.

WARNING

Care should be taken to prevent injury if anyone in the following categories comes in contact with the steering wheel and seats when the heater is on:

Babies, small children, the elderly, the sick and the physically challenged
Persons with sensitive skin
Persons who are fatigued
Persons who have taken alcohol or drugs that induce sleep (sleeping drugs, cold remedies, etc.)

Observe the following precautions to prevent minor burns or overheating:

Do not cover the seat with a blanket or cushion when using the seat heater.
Do not use seat heater more than necessary.

NOTICE

Do not put heavy objects that have an uneven surface on the seat and do not stick sharp objects (needles, nails, etc.) into the seat.
To prevent battery discharge, do not use the functions when the engine is not running.

Air outlets

Location of air outlets The air outlets and air volume changes according to the selected air flow mode. Adjusting the position of the air outlets Direct air flow to the front or rear, up or ...

Heated steering wheel

Turns the heated steering wheel on/off The indicator light comes on when the heated steering wheel is operating. The heated steering wheel can be used when the engine switch is in IGNITI ...

Other materials:

Room Temperature Sensor Circuit
DESCRIPTION This sensor detects the cabin temperature that is used as the basis for temperature control and sends a signal to the A/C amplifier. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT TESTER (a) Connect the intelligent tester to the DLC3. (b) Turn the ignition s ...

Do-it-yourself service precautions
If you perform maintenance yourself, be sure to follow the correct procedure as given in these sections. Items Parts and tools Battery condition Warm water Baking soda Grease Conventional wrench (for terminal clamp bolts) Brake ...

Diagnosis system
1. CHECK DLC3 The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do ...