Coolant Level, Checking, Specified Value Is Top Marking On Expansion Tank Coolant Levels Above Top Marking Are Permitted, Below Are Not: Notes

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Audi S6, 2018 Audi A6 Quattro, 2018 Audi A6, 2017 Audi S6, and 2017 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

There is a risk of injury due to the coolant reservoir being under pressure.

Only open the coolant reservoir when the engine is cold.

NOTE:

Only distilled water may be used for mixing coolant additives. The water used in the mixture greatly affects the effectiveness of the coolant and the corrosion protection. To meet water quality requirements, only use distilled water when mixing with coolant.

Refer to the Parts information for permitted coolant additives.

G12EVO, G13 and G12++ may be mixed together.

G12EVO, G13 and G12++ may be mixed with the other coolant additives G11, G12 and G12+.

G12 and G11 may not be mixed together.

Used coolant cannot be used again.

Only use water/coolant additive to lubricate the coolant hoses.

Driving the vehicle with the coolant level above the MAX mark on the coolant expansion tank is a technical requirement and is permitted. Do not extract the coolant!