Coolant Level, Checking And Filling
WARNING: This page is about a different car, the 2022 Audi A6 Quattro and 2021 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
The cooling system is under pressure when the engine is warm. There is a risk of scalding due to hot steam and hot coolant.
Scalding the skin and other parts of the body is possible.
- Wear safety gloves.
- Wear protective eyewear.
- Reduce the pressure by covering the coolant expansion tank cap with a cloth and carefully opening it.
- The coolant level must be between the "min" and "max" markings when the engine is cold.
- Coolant level may be on or above "max" marking with engine at operating temperature.
-- If necessary, fill with coolant again.