© Copyright Mahindra & Mahindra Ltd. 082014
10-7
The re-circulation mode is activated by default every ignition cycle.
10.10.2 Re-circulation Mode (Re-circulated Air Mode)
To set the HVAC system to re-circulation mode, press the air intake control switch
once. The lamp on the switch gets illuminated, indicating that re-circulation mode is
active.
In this intake mode, the air from inside the passenger compartment will be sucked by
the blower and utilized further to ventilate/cool/ heat the cabin.
Pressing the switch again will revert the system back to fresh air mode and lamp will
go OFF.
For quick cabin cooling/heating or while driving through dusty/ polluted regions, the
recirculation mode can be selected. Driving with this mode active may lead to better
fuel economy and longer HVAC filter life.
However, running the air conditioner in the re-circulation mode for long will make the
cabin air too dry and the oxygen level drops inside cabin turning the air stale. On the
contrary, keeping air intake control in the recirculation mode for long, with the air
conditioner switched OFF, will make the cabin air too humid and the windshield/
windows are more likely to become foggy.
The re-circulation mode is activated by default every ignition cycle.
10.10.3 Auto Re-circulation
Auto Re-circulation logic is applicable to extreme cold and extreme hot setting of the
temperature control system.
• In extreme cold setting — Forced re-circulation mode is activated automatically
• In extreme hot setting — Forced fresh air mode is activated automatically
To change to fresh air mode while in extreme cold setting;
• For manual climate control systems — Press the air intake control switch once,
the fresh air mode is activated for next 20 sec, after which it switches back to re-
circulation mode automatically. To permanently switch to fresh air mode, press
and hold the air intake control switch for 7 sec.
• For auto climate control systems — Press the air intake control switch once. It
stays in this mode till you manually shift back to re-circulation mode.
The same logic is applicable to extreme hot setting also where fresh air mode is
activated automatically.
10.11 HVAC Air Filter (Cabin Air Filter)
Your vehicle’s HVAC system is equipped with an air filter at the blower inlet just
behind the glove box. Before getting sucked-in by the blower, air passes through this
filter element. Dirt and other foreign particles get trapped inside the filter. Clean air
is then circulated through the HVAC unit and into the cabin.
The HVAC filter gets clogged after long use. The clogged filter will reduce the air flow
rate, thereby the air-conditioning and heating efficiencies will be drastically reduced.
Even the windshield/ windows may begin to mist/fog-up easily.
To maintain optimum HVAC system performance, replace the filter element as per
recommended maintenance schedule. However while operating in highly dusty or
polluting conditions, the filter may require early replacement. If the air flow seems to
have considerably reduced, get the filter replaced immediately.
To access the filter, open the glove box, remove the rubber pins on both sides of the
glove box lid. Un-clip the filter retaining clip and remove the filter straight out. Discard
the old filter and replace with a new filter. Follow the reverse procedure for putting
the filter back.
Do not clean or re-use old filter.
HEATING, VENTILATION AND AIR-CONDITIONING SYSTEM (HVAC)
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