In the engine compartment
Warning lamp and coolant temperature display
In this manual: In the engine compartment
~2min read

Fig. 138 Coolant temperature display in instrument cluster: Ⓐ cold; Ⓑ normal; Ⓒ warning
First read and observe the introductory information and safety warningsA display for the coolant temperature may be, depending on the vehicle equipment, located in instrument cluster. In normal driving conditions, the needle will be in the middle section of the scale. The temperature may also rise when the engine is working hard, especially at high ambient temperatures.
| Flashes | Needle position | Possible cause | Solution |
|---|---|---|---|
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Ⓒ Warning area |
Coolant temperature too high. | Do not drive on! Stop the vehicle as soon as possible, and when safe to do so. Stop the engine, let the engine cool down until the needle is back in the normal area. Check the coolant level . |
| Ⓑ Normal area |
Coolant level too low. | After the engine has cooled down, check the coolant level and refill engine coolant if the level is too low . There is a fault if the coolant level is correct. |
|
| -- | Fault in the coolant system. | Do not drive on! Seek expert assistance. |
|
| -- | Ⓐ Cold |
-- | Avoid high engine revs and heavy engine loads until the engine is warm. |
| Lit up | Possible cause | Solution |
|---|---|---|
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Engine coolant temperature is too low in vehicles with autogas engine. | Avoid high engine speeds and heavy engine loads. Wait until adequate operating temperature has been reached. |
Several warning and indicator lamps will light up briefly as a functional check when the ignition is switched on. They will switch off after a few seconds.
Failure to observe illuminated warning lamps and text messages can lead to your vehicle breaking down in traffic, and can cause accident and serious injury. - Always heed illuminated warning lamps and text messages.
- Never ignore any illuminated warning lamps or text messages.
- Stop the vehicle as soon as possible and when safe to do so.

NOTICE
Failure to observe illuminated indicator lamps and text messages can lead to your vehicle being damaged.Test yourself
A quick Volkswagen Polo quiz: every answer comes with an explanation and a link to the manual page.
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Do not drive on! 