NOTICE
Use of water other than distilled water can cause considerable corrosion damage in the engine due to the chemical substances
contained in the water. This can lead to failure of the engine.
● Refill only with distilled water!
● If you have not used distilled water for refilling, the fluid in the cooling system should be completely replaced immediately by a
suitably qualified workshop. Volkswagen recommends using an authorised Volkswagen repairer.
NOTICE
Use of the wrong service fluids can cause serious malfunctions and damage the engine.
● When adding or replacing service fluids, ensure that you pour the correct service fluids into the corresponding openings.
The coolant temperature is too high or the coolant level is too low
The warning lamp lights up red. A message is shown on the instrument cluster display.
Do not drive on! The engine could otherwise be damaged.
The coolant temperature is too high or the coolant level is too low.
1. Stop the vehicle as soon as possible and when safe to do so (→ Parking).
2. Switch off the engine.
3. Allow the engine to cool down.
4. Check the coolant level in the coolant expansion tank (→ Coolant).
5. Do not drive on or leave the engine running if the warning lamp does not go out even though the coolant level is correct.
6. Seek expert assistance.
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