Audi A4 2021 User Manual

3-Zone Automatic Climate Control
System Controls
The 3-zone climate control system allows separate temperatures to be set for each of the three vehicle areas: driver’s side,
front passenger side, and rear passenger compartment. Pressing any button on the climate control system or turning the
temperature dial will activate the system.
1. AUTO
Displays set temperature. Press to activate AUTO for each zone. Press again to deactivate AUTO. Changing the air
distribution or fan speed will also turn o the AUTO function.
2. 3-ZONE/SYNC
Toggles through three system settings: 3-ZONE, SYNC and Set Rear. With SYNC activated, the settings for the driver’s
side are applied to all other areas except for seat heating/ventilation. If settings for the front or rear passenger are
changed, SYNC is disabled. Set Rear allows the rear seat settings to be controlled from the front panel.
3. Air Distribution
Press up or down repeatedly until the desired distribution setting is displayed.
4. Blower
Press up or down repeatedly until the desired fan speed is achieved.
1 1
3 3
5 4 2
6 6
7 7
8 9
10 11
5. A/C
Toggles through ON, OFF, and A/C MAX. Indicates when air conditioning system is on. The A/C system only works
when the fan is on. When the A/C is o, the air is neither cooled nor dehumidied, and the windows may fog as a
result. AUTO mode also turns on the A/C. Activating A/C MAX will cool and dehumidify the vehicle interior as quickly
as possible. Automatically, the temperature will be set to LO and the fan speed will increase.
6. Seat Heating
Press repeatedly to adjust heat level.
7. Seat Ventilation (optional)
Press repeatedly to adjust seat ventilation airow.
8. MAX Defrost
Clears the windshield of fog or frost as quickly as possible. In this mode, most of the air is directed to the windshield
vents, and the temperature is regulated automatically. Once the windshield is clear, readjust the settings. Sucient
engine heat is necessary for eective defrosting.
9. Recirculation
Press the button to recirculate air in the cabin and prevent outside air from entering.
10. Rear Window Defogger
Activates the electric heater embedded in the rear glass. The heater will turn o automatically after about 10-20
minutes, depending on the outside temperature.
11. OFF
Deactivates the climate control system.
• Rear heating and cooling can be turned o from the front control panel by selecting Set Rear with the
3-ZONE/SYNC button, then selecting OFF.
Residual Heat
When the ignition switch is turned o, pressing the driver’s temperature selection knob (1) will allow the residual engine
heat to warm the interior. This function turns o after about 15 minutes.
3-Zone Automatic Climate Control
Warnings: Climate Control System
See Climate Control System in your Owner’s Manual for more detailed information and for important safety warnings.

Audi A4 2021 Specifications

General

Brand	Audi
Model	A4 2021
Category	Automobile
Language	English