Constantly checking
Although there is a coolant temperature/level indicator, you should not rely solely on it and should check the coolant level in the expansion tank in the engine compartment from time to time:
The coolant level can only be accurately measured when the engine is not running.
The fluid level in the transparent expansion tank is clearly visible from the outside and with the lid closed. When the engine is cold, the level should be between the marks.
When the engine is warm, the level naturally rises slightly.
This article was copied from an online resource audimanual.ru