Mazda 3 2019 Owner's Manual page 195

Rear Window Defogger
▼ Rear Window Defogger
The rear window defogger clears fog from
the rear window.
The ignition must be switched ON to use
the defogger.
Press the switch to turn on the rear
window defogger. The rear window
defogger operates for about 15 minutes
and then turns off automatically.
The indicator light illuminates when the
defogger is operating.
To turn off the rear window defogger
before the 15 minutes has elapsed, press
the switch again.
1. Indicator light
CAUTION
Do not use sharp instruments or window
cleaners with abrasives to clean the
inside of the rear window surface. They
may damage the defogger grid inside the
window.
Switches and Controls
NOTE
This defogger is not designed for

melting snow. If there is an
accumulation of snow on the rear
window, remove it before using the
defogger.
The rear window defogger operation

time can be changed from 15 minutes to
continuous operation. When the
operation time has been switched to
continuous operation, by pressing the
switch, the rear window defogger will
continue to operate until the ignition is
switched OFF.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
▼ Windshield Wiper De-icer
The thermal filaments at the following
positions heat up and facilitate the removal
of snow accumulated on the windshield.
The windshield wiper de-icer operates in
conjunction with the rear window
defogger.
When Driving
*
4-55
*Some models.