Item | Function
BCM |

- Operates the rear window defogger with the operation of rear window defogger switch.
- Performs the timer control of rear window defogger.

Rear window defogger relay | Operates the rear window defogger and the door mirror defogger with the control signal from BCM.
IPDM E/R | Transmit rear window defogger control signal to AV control unit via CAN communication.
Multifunction switch (Rear window defogger switch) |

- The rear window defogger switch is installed.
- Turns the indicator lamp ON when detecting the operation of rear window defogger.

AV control unit | Displays the rear window defogger ON to the display when detecting the operation of rear window defogger.
Rear window defogger | Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up.
Door mirror defogger | Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up.