The compressor is constantly on since it controls the climate (if its working)
The initial call should be for a recharge and, of course, a leak check because the refrigerant doesn’t last forever.
In This Article...
I have an Audi A4; how can I turn the AC off?
The On/Off switch is located on the ECONOMY button. It changes between AC mode and ECON mode after being pressed for about a second. The complete climate control system will switch off if you hold it for around three seconds. Simply press that button, the temp control ****, or the AUTO button once more to switch on.
AC in the Audi A4?
The Audi A4 is comparable to most of its competitors in this regard and comes with a standard air conditioning system and fully automatic climate control system. It also has AC vents in the back. The top Audi A4 competitor, the BMW 3-series, has automatic air conditioning that enables fine regulation of air temperature, ventilation, and quality. Another formidable rival of itss is the Mercedes-Benz C-Class, which has a quick, quiet, and efficient air conditioner with better control functions. Only a few of its models include rear AC vents.
How can I start the AC in my 2017 Audi A4?
Pressing the rotary switches, buttons, or rocker switches will turn the functionalities on and off. When the function is activated, the LED in the relevant button or rotary control illuminates (Fig. 96o). Touch-sensitive rocker switches are available. The front passenger’s side and the driver’s side can each have a different setting.
The settings in the back cabin can be changed using the controls on the rear console (Fig. 97o).
The roles of rocker switches 3 and 5 are switched in right-hand drive vehicles*.
The air conditioner is turned on and off using the OFF button. Pressing one of the other buttons or rotary controls will also turn on the air conditioner. The flow of outside air is stopped when the air conditioner is turned off.
When rocker switch -3- is depressed, the air cooling mode is activated or disabled. The air is neither cooled nor dehumidified when the air cooling is turned off. As a result, the windows could mist up. At low outside temperatures, the air conditioning automatically shuts off (below zero).
Pressing the rocker switch -3 toggles the eco cooling mode on and off. When the eco cooling mode is chosen, the air conditioner operates in a mode that is especially effective.
When rocker switch -3- is depressed, the maximum air cooling mode is turned on or off. The air is neither cooled nor dehumidified when the air cooling is turned off. As a result, the windows could mist up. At low outside temperatures, the air conditioning automatically shuts off (below zero). When the air conditioning is turned on, the interior of the car swiftly cools and dehumidifies.
The air from the inside of the car is filtered and circulated when the air recirculation mode is engaged. This setting stops fumes and other things from getting inside. When driving through a tunnel or in traffic lines, we advise turning on the air recirculation mode.
The button turns the air recirculation mode on and off. The rotary controls or the button can also be used to turn off the air recirculation mode.
Inside the car, the automated mode keeps the temperature steady. The output, distribution, and temperature of the air are all automatically controlled. Pressing the rotary controls -1- turns on and off the automatic mode.
By rotating the rotary controls -1-, the temperature can be changed between +16 C (+60 F) and +28 C (+84 F). The air conditioner display will show LO or HI if it is outside of this range. The temperature is not automatically adjusted at the two extreme settings, when the air conditioner runs continuously at maximum cooling or heating power.
The temperature in the back cabin is controlled by the buttons in the rear console (Fig. 97o).
Using the rocker switch (#4), you can manually change the blower speed. To keep the windows from misting up and to make sure that the interior of the car is always being ventilated, you should leave the blower on at a low setting. For automated blower speed control, depress one of the rotary controls -1.
The air outlets you want to turn on can be chosen using the rocker switch (position 2). Till the desired air distribution is seen on the air conditioner control console’s display, repeatedly press the rocker switches (#2). For automatic regulation of the air distribution, press one of the rotary controls -1.
The broad air outlet in the dashboard can be opened and closed with the rocker switch -5.
The level 3 seat heating and ventilation is activated when you hit the / button (the highest level). The temperature level is shown by the LEDs. Press the button again to lower the temperature. Press the button several times until all the LEDs are out to turn off the seat heating/ventilation.
The side windows and windscreen are instantly defrosted or demisted. When the air output is at its highest, the majority of the air exits through the outlets beneath the windscreen. Deactivating the air recirculation mode. Setting the thermostat to +22 C or above is recommended. The temperature is automatically controlled.
When the button is pressed, the defrosting mode is activated or deactivated. The rotary controls -1- can also be used to turn off this feature.
(Applies to automobiles with a heated windshield:) The windscreen heating is automatically activated in cold weather. Press the button to manually turn on the windscreen heating; the LED in the button will flash.
When the button is pressed, the heating for the rear windows is turned on. Depending on the ambient temperature, it only works when the engine is running and shuts off automatically after 10 to 20 minutes.
Press and hold the REAR button for at least three seconds to permanently turn on the heating for the rear windows. Once that happens, it won’t turn off until the ignition is turned off.
The -5- rocker switch is used to choose this option. When synchronization is engaged, the front passenger’s side and rear cabin receive the driver’s side settings (with the exception of seat heating/ventilation*). As soon as the settings are altered on the front passenger side or in the back cabin, the synchronization is turned off and 3-zone shows on the display.
The -5- rocker switch is used to choose this option. With the SET Back function, you can modify every setting for the rear cabin from the front cabin’s control panel. The rear air conditioner console is turned off in this instance. When you close the menu or after a predetermined amount of time, this function is automatically removed.
The air outlets in the middle, on either side, and in the rear center console can be opened and shut using the thumbwheels. The air flow direction can be changed using the lever located in the middle of the outlets. The broad air outlet may be opened and closed with the rocker switch -5.
When the ignition is off, push and hold rotary control -1 to turn on the residual heat feature. The residual heat in the engine coolant will subsequently be used to heat the inside. After around 15 minutes, the residual heat feature will be turned off.
- You shouldn’t leave the air recirculation on for an extended period of time for safety reasons. If the air conditioning is turned off while the car is in this mode, the windows may mist over. A collision may occur due to poor visibility.
- When utilizing the seat heating*, those with weakened senses of pain or heat risk burning themselves. There is a risk of injury if these persons use the seat heating!
Please refrain from kneeling on the seat or applying intense pressure to a single spot in order to protect the heating elements of the seat heating*.
How can I start my Audi A3’s air conditioning?
The temperature and blower speed can both be changed using the rotary controls. Pressing the buttons will turn on and off the functionalities. When the function is activated, the LED in the relevant button turns on.
In different sections of this manual, the rear window heating link and seat heating link are each discussed.
The temperature should be set to 22 C by pushing the AUTO button (72 F). The air conditioner runs entirely on autopilot and will keep the specified temperature constant. The interior air supply temperature, blower speed, and air dispersion are all automatically controlled. When the heater is turned on, the blower typically doesn’t increase speed until the coolant has warmed up enough (this does not apply to the defrost setting).
When the A/C button is pressed, the air conditioning mode is activated or deactivated. The air is neither cooled nor dehumidified when the air cooling is turned off. As a result, the windows could mist up. When it is cold outdoors, the air conditioning automatically shuts off.
When the AUTO button is pressed, the automated mode is activated. When you use any of the manual air controls, the AUTO mode is instantly turned off. Inside the Audi A3, the automated mode keeps the temperature steady. The output, distribution, and temperature of the air are all automatically controlled. If you briefly hit the AUTO button when automatic mode is engaged, the “eco” mode*1) is triggered. Because the settings react more passively in “eco” mode*, fuel is saved. When eco displays on the console display, the “eco” mode* is active. When you push the AUTO button once again, the “eco” mode* is disabled.
The controls for the driver’s side and the front passenger’s side allow for independent control of the temperature setting. There is a temperature range of +16 C (+60 F) to +28 C (+84 F). The air conditioner display will show LO or HI if it is outside of this range. The temperature is not automatically adjusted at the two extreme settings, when the air conditioner runs continuously at maximum cooling or heating power.
Synchronization: The temperature of the passenger side can be set to match that of the driver’s side by pushing and holding the AUTO button for two seconds. Until the temperature is altered on the passenger side, the settings stay in sync.
To stop the windows from misting up, keep the blower on at a low level. The blower speed can be manually changed. For automated blower speed management, use the AUTO button.
The dispersion of the air can be changed using the buttons, and. To distribute air automatically, press the AUTO button.
Why isn’t the AC in my Audi working?
The most frequent causes of a malfunctioning Audi A4 air conditioner are refrigerant leaks, electrical climate control problems, or issues with the air conditioning compressor. Before the air conditioner quits blowing cold, you might not be aware that there is a refrigerant leak.
Why won’t my Audi’s air conditioning cool down?
Causes of AC Not Being Cold Enough issues with the evaporator, condenser, or blower motor. Leaky vacuum. A defective hose, o-ring, or seal is causing the leakage of freon. problems with the compressor clutch or compressor.
How can the rear AC in an Audi Q7 be turned off?
From the front control panel, select Set Rear with the 4-Zone/SYNC toggle switch, then select OFF to turn off the rear heating and cooling.
In my Audi Q5, how can I turn on the heat?
By depressing the buttons or rotating the controls, the functionalities can be turned on or off. When the function is activated, the LED in the relevant button or rotary control illuminates.
Pressing the rotary control -2- will turn on and off the air conditioner. Pressing one of the other buttons or rotary controls will also turn on the air conditioner. The flow of outside air is stopped when the air conditioner is turned off.
When the A/C button is pressed, the air conditioning mode is activated or deactivated. The air is neither cooled nor dehumidified when the air cooling is turned off. As a result, the windows could mist up. At low outside temperatures, the air conditioning automatically shuts off (below zero).
When the button is pressed, the maximum air cooling mode is activated or deactivated. The air is neither cooled nor dehumidified when the air cooling is turned off. As a result, the windows could mist up. At low outside temperatures, the air conditioning automatically shuts off (below zero). When the air conditioning is turned on, the interior of the car swiftly cools and dehumidifies.
By pushing the rotary control -3-, you can turn on and off the air recirculation mode. By turning the rotary control to the left or pressing the button, the air recirculation mode can also be turned off.
Inside the car, the automated mode keeps the temperature steady. The output, distribution, and temperature of the air are all automatically controlled. Pressing the rotary control -1- will turn on and off the automated mode.
By rotating the rotary control -1-, the temperature can be changed between +16 C (+60 F) and +28 C (+84 F). The temperature is not automatically adjusted at the two extreme settings, when the air conditioner runs continuously at maximum cooling or heating power.
Turning rotary control -2- will manually change the blower’s speed. To keep the windows from misting up and to make sure that the interior of the car is always being ventilated, you should leave the blower on at a low setting. To automatically control the blower speed, press the rotary control at -1.
You can choose which air outlets you want to switch on by rotating control -3. To automatically control the air distribution, press the rotary control at 1-.
The side windows and windscreen are instantly defrosted or demisted. When the air output is at its highest, the majority of the air exits through the outlets beneath the windscreen. Deactivating the air recirculation mode. The thermostat ought to be set at +22 or higher. The temperature is automatically controlled.
When the button is pressed, the defrosting mode is activated or deactivated. Additionally, you can disable this function by pushing the rotary control -1-.
Press and hold the button for at least 3 seconds to permanently turn on the heating for the rear windows. Once that happens, it won’t turn off until the ignition is turned off.
The air outlets in the middle, on either side, and in the rear center console can be opened and shut using the thumbwheels. The air flow direction can be changed using the lever located in the middle of the outlets.