Comfort
Ventilation
In this manual: Comfort
6steps
~36min
2/5difficulty
Done 0 of 6
Air intake
Cabin air is filtered and enters either from outside through the vents at the base of the windscreen, or from the interior in recirculation mode.
Air treatment
Depending on the driver's selection, cabin air passes through different systems:
- it enters the cabin directly (fresh air intake from outside),
- it passes through the heating system (heating),
- it passes through the cooling system (air conditioning).
The temperature control allows you to achieve the desired comfort by mixing air flowing through different channels.
The air distribution control allows you to divide the airflow between the individual vents.
The fan speed control allows you to increase or decrease the blower fan speed.
Control panel
The controls for this system are located on panel A in the centre console. Depending on the model, the controls have the following functions:
- adjustable comfort level,
- fan speed,
- air distribution,
- defrosting and demisting,
- manual or automatic air conditioning controls.
Air distribution

- Windscreen defrosting or demisting vents.
- Front side window defrosting or demisting vents.
- Side vents, closable and adjustable.
- Centre vents, closable and adjustable.
- Front passenger footwell air outlets.
- Rear passenger footwell air outlets.
Test yourself
A quick Citroen DS3 quiz: every answer comes with an explanation and a link to the manual page.
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