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.
Manual Climate Control

Fully Automatic Climate Control

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.
NOTE
Windshield Washer
Mirror Defogger (Some models)Mazda 6 Owners Manual: Diagnostic trouble code number inspection
1. Remove the glove compartment.
2. Short the A/C check connector to the GND terminal using a jumper wire.
3. Shine a 60 W incandescent light from a height of approximately
100 mm {3.9 in} onto the solar radiation sensor.
Note
When incandescent light does not shine on the solar radiatio ...
Mazda 6 Owners Manual: Schedule 1
Chart symbols:
I: Inspect: Inspect and clean, repair, adjust, fill up, or replace if
necessary.
R: Replace
L: Lubricate
T: Tighten
Remarks:
*1 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant
other than FL-22 may cause serious damage to the engine and cooli ...