Toyota 2015 Hilux Owner's Manual page 386

386
6-1. Using the air conditioning system and defogger
Heater idle up (if equipped)
■
This feature is used to heat the engine coolant, speed up warming
of the cab in cold weather, and keep the cab warm when the vehicle
is not moving.
Press the switch to turn the
heater idle up on/off.
If you do not turn the switch to
off, the engine speed may be
increased when the engine is
started.
Power heater (if equipped)
■
This feature is used to heat the engine coolant, speed up warming
of the cab in cold weather, and keep the cab warm.
Press the switch to turn the
power heater on/off.
If you do not turn the switch to
off, the engine speed may be
increased when the engine is
started.