Audi A4: Warm and cold
Audi A4 (B9) 2016-2024 Owner's Manual / Starting and driving / Warm and cold
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Climate control system
Description
Your vehicle has a deluxe automatic climate control
system with three zones in which the temperature,
air distribution, and air supply can be
adjusted separately for the front left and r
Operating in the cockpit
Fig. 92 3-zone deluxe automatic climate control system: controls
Press the knobs, buttons or rocker switches to
turn the functions on or off. When the function is
switched on, the LED in the respecti
Fluids in the A/C system
Refrigerant in the A/C system
The sticker in the motor compartment provides
information about the type and amount of refrigerant
used in the vehicle's A/C system. The sticker
is located in the front s
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Airbag Control Module
Overview - Airbag Control Module
1 - Center Tunnel
2 - Nut
9 Nm
Quantity: 4
The thread must be paint and contaminant free, nut and ground pins serve
as ground connection for the control module.
3 - Airbag Control Module -J234-
Removing and installing. Refer to
Radiator/Radiator Fan
Overview - Radiator/Radiator Fan
1 - Radiator
Removing and installing. Refer to
→ Chapter "Radiator, Removing and Installing".
After replacing, replace entire amount of coolant
2 - Drain Plug
1.5 to 3 Nm
3 - O-ring
Replace after removing
4 -
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