Toyota Highlander Hybrid 2017 Owner's Manual page 446

446
6-1. Using the air conditioning system and defogger
■
The seat heaters and seat heaters/ventilators can be used when
The power switch is in ON mode.
■
When not in use
Seat heaters

Turn the dial fully backward. The indicator light will turn off.
Seat heaters/ventilators

Set the knob at "0". The indicator light will turn off.
Second seat heaters
Hi
1
Lo
2
Off
3
The indicator comes on when the
second seat heater is on.
■
The second seat heaters can be used when
The power switch is in ON mode.
HIGHLANDER_HV_U (OM48F12U)