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Hyundai Equus: Filter replacement

It must be replaced when necessary, and should not be washed.
You can clean the filter when inspecting the air cleaner element. Clean the filter by using compressed air.
Main air cleaner

1. Push the top of the fastener to remove the cover.

2. Loosen the air cleaner cover attaching clips and open the cover.
3. Wipe the inside of the air cleaner.

4. Replace the air cleaner filter.
5. Lock the cover with the cover attaching clips.
Chamber air cleaner

1. Loosen the air cleaner cover attaching clips and open the cover.

2. Replace the air cleaner filter after pulling up the locking tab (1).
3. Lock the cover with the cover attaching clips.
Replace the filter according to the Maintenance Schedule.
If the vehicle is operated in extremely dusty or sandy areas, replace the element more often than the usual recommended intervals. (Refer to “Maintenance under severe usage conditions” in this section.)
CAUTION
Air cleanerLighting control
The light switch has a Headlight and a Parking light position.
To operate the lights, turn the knob at the end of the control lever to one of
the following positions:
(1) OFF position
(2) Aut ...
Heated Oxygen Sensor (HO2S) Troubleshooting
Signal Waveform
Fig.1) The signal waveforms of front HO2S(the upper) and heater(the lower) at idle
Fig.2) The signal waveforms of rear HO2S(the upper) and heater(the lower) at idle
Fig.3) Typical ...
Automatic heating and air conditioning
1. Press the AUTO button.
The modes, fan speeds, air intake and air-conditioning will be controlled automatically
according to the temperature setting.
2. Press the TEMP button to set the desi ...