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The coolant level is too low.
Do not drive on, but switch off the engine. Check the coolant level Link.
- If the coolant level is too low, add more coolant Link. Do not drive on until the warning lamp has gone out.
- If the coolant level is correct, the overheating may be caused by a malfunction of the radiator fan. Do not drive on. You should obtain professional assistance.
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Let the engine cool down by running it at idling speed for a few minutes.
- Never open the bonnet if you can see or hear steam or coolant escaping from the engine compartment; there is a risk of being scalded. Wait until you can no longer see or hear escaping steam or coolant.
- The engine compartment of any motor vehicle is a dangerous place. Before carrying out any work in the engine compartment, switch off the engine and allow it to cool down. Please observe the important safety warnings Link.