© Copyright Mahindra & Mahindra Ltd. 082014
10-11
once to activate the defogger. The LED on the button illuminates upon activation and
the defogger heats the rear windshield clearing the fog. Switch OFF the defogger by
pressing the button again as soon as the fog is cleared. The rear windshield
defogger switches OFF automatically after a pre-defined time, based on ambient
temperature.
10.15.3 HVAC Points to Remember
• For quickly clearing the misted/fogged/frosted-up windshield, set the blower
speed to maximum. For quick defrosting, set the temperature to extreme hot
• Once the windshield is cleared, keeping the air conditioner ON leads to
dehumidified cabin heating/cooling which helps in keeping windshields and
windows clear. Keep the fresh air mode selected. If required, re-adjust the blower
speed and temperature control knob to maintain comfort. The temperature of air
coming out of the vents should neither be too hot nor too cold
• Driving the vehicle for long with the air conditioner switched off may lead to
windshield or windows getting misted/fogged up
• Driving the vehicle for long continuously in the recirculation mode may lead to
windshield or windows getting misted/fogged up
• Do not blow cold air on the windshield and windows for long during humid
weather. It could make windshield/windows mist/fog-up
• When on a long drive during warm humid/rainy weather, once cabin
temperature becomes comfortable, shift to ‘AC LO’ mode, if using ‘AC HI’ mode
earlier. Adjust the temperature knob such that air coming out of the vents is not
too cold. Keep the fresh air intake mode selected. Shift to any distribution mode
other than defrost mode. This will help in keeping windshields and windows clear
• For defogging/de-misting/defrosting the side windows at the front, select either
Face or Face-Foot mode while directing air flow towards windows by adjusting the
louvers of side vents. All other settings should be kept same as advised for
windshield defogging/de-misting/defrosting
• For heating the vehicle interior while windshield defogging/de-misting/defrosting,
select the Foot-Defrost mode. All other settings should be kept same as advised
for windshield defogging/de-misting/defrosting
• For quickly defogging/de-misting/defrosting the outside of the windshield, it is
advisable to operate the windshield wiper/washer for a few times intermittently
• If snow has deposited on the windshield, use an ice scraper to remove the ice
deposited before using the wiper
• In freezing weather, warm the windshield with the defroster before using the
windshield washer. Also use a washer fluid with anti-freezing properties. This will
help prevent the washer fluid from freezing on your windshield
• A dirty/contaminated windshield would make misting/fogging worse. Always
keep the inside and outside of the windshield clean
• Reduced air flow because of a clogged HVAC filter or any other obstructions in
the air flow path may lead to in-adequate defogging/de-misting/defrosting
performance. If the air flow seems to have considerably reduced, get the filter
replaced immediately. The air flow path should be kept free of obstructions
• Reduced cooling performance from the air conditioner may lead to inadequate
defogging/de-misting/defrosting. If the cooling effect seems to have dropped
considerably, get the air conditioning system checked by an Authorized Mahindra
Dealer
HEATING, VENTILATION AND AIR-CONDITIONING SYSTEM (HVAC)
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