Toyota Corolla (E170): Seat heaters
Press the switch.
1 High temperature
2 Low temperature
The indicator light comes on when the switch is on.

■The seat heaters can be used when
► Vehicles without a smart key system The engine switch is in the “ON” position.
►Vehicles with a smart key system The engine switch is in IGNITION ON mode.
■When not in use
Put the switch in the neutral position. The indicator will turn off.
CAUTION
■Burns
●Use caution when seating the following persons in a seat with the seat heater on to avoid the possibility of burns:
• 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.)
●Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature of the seat and may lead to overheating.
●Do not use seat heater more than necessary. Doing so may cause minor burns or overheating.
NOTICE
■To prevent seat heater damage
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
Turn the seat heaters off when the engine is not running.
Other materials:
Circuit description
The seat belt buckle switch (lh) circuit consists of the airbag sensor assy
center and front seat inner belt
assy (lh).
Dtc b0126/b0127/27 is recorded when a malfunction is detected in the seat belt
buckle switch (lh) circuit.
Wiring diagram
...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Problem symptom confirmation
4 Circuit inspection
5 Repair or replace
6 Confirmation test
7 End
Customer problem analysis check
...
On–vehicle inspection
1. Check battery electrolyte level
Check the electrolyte quantity of each cell (maintenance–free battery).
If under the lower level, replace the battery (or add distilled
water if possible) and check the charging
system.
check the electrolyte quantity of each cell ...


