Filter inspection
The climate control air filter should be replaced according to the Maintenance Schedule. If the vehicle is operated in severely air-polluted cities or on dusty rough roads for a long period, it should be inspected more frequently and replaced earlier. When you replace the climate control air filter, replace it performing the following procedure, and be careful to avoid damaging other components.
See also:
Vapor hose and fuel filler cap
The vapor hose and fuel filler cap should be inspected at those intervals specified
in the maintenance schedule. Make sure that a new vapor hose or fuel filler cap
is correctly replaced. ...
2012 Hyundai Elantra Review By Anthony Crawford
I’ve just driven a 42km loop in the base model Elantra Active with a
six-speed manual shifter and I can tell you unequivocally that the all-new
Elantra is a huge step up from the previous model.
...
Air conditioning
Press the A/C button to turn the air conditioning system on (indicator light
will illuminate). Press the button again to turn the air conditioning system off. ...