Audi A4 Displays and con... Instrument cluste... Vehicle functions
Applies to: vehicles with engine oil temperature/boost display
Applies to: vehicles with analogue instrument cluster
The engine oil temperature and boost pressure are only shown in the lap timer display link.

Engine oil temperature display
Applies to: vehicles with Audi virtual cockpit
The engine oil temperature is only displayed in the extended view or sport view link.

The display shows --- °C at low engine oil temperatures.
The engine has reached its operating temperature in normal driving conditions when the oil temperature is between 80 ℃ and 120 ℃. If the engine is running under increased load at high ambient temperatures, the oil temperature may increase above this value. This is no cause for concern, provided that the indicator/warning lamps link or link are not lit.
Boost display
Applies to: vehicles with Audi virtual cockpit
The boost pressure is only shown in the sport view link.

The current boost level of the engine (that is, the current charge pressure) is indicated by a bar.