Audi A4: Summary
Audi A4 (B9) 2016-2026 Owner's Manual / Summary
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Cockpit
Fig. 1 Cockpit
Door handle
Central locking switch
Memory function buttons
Vent
Lever for:
Turn signals and high beams
High beam assistant
Audi active lane assist
Traffic jam assist
Indicator lights overview
Description
The indicator lights in the instrument cluster
blink or turn on. They indicate functions or malfunctions.
Some warning and indicator lights
turn on when you switch the ignition on and mus
SEE MORE:
Receiver/Dryer or Accumulator and Restrictor, Replacing after Cleaning
Refrigerant Circuit
Note
Cleaning the refrigerant circuit means flushing it with
refrigerant R134a. Refer to
→ Chapter "Refrigerant Circuit, Cleaning (Flushing), with
Refrigerant R134a" or blowing through with compressed
air and nitrogen. Refer to
→ Chapter "Refrigerant Circuit, Flushing with
Cooling system
Coolant
The engine cooling system is filled with a mixture
of purified water and coolant additive at the factory.
This coolant must not be not changed.
The coolant level is monitored using the
indicator
light. However, you should occasionally
check the coolant level.
Messages
The following messag
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