
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 |
|---|---|---|---|
|
Ⓒ 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 |
|---|---|---|
|
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.

WARNING

NOTICE
Introduction
Coolant specificationPositive and earth jump lead connection points
Fig. 190 In the engine
compartment: jump lead connection point, positive ⊕
First read and observe the introductory
information and safety warnings
The positive jump lead connection point is in the engine compartment. In
order to establish a suitable earth connection, screw towing eye into ...
Introduction
This chapter contains information on the following subjects:
→ Warning lamp and coolant temperature display
→ Coolant specification
→ Checking the coolant level and refilling coolant
Never carry out any work on the engine coolant system if you are not familiar
with t ...
Round Connector Systems
Note
If necessary, housing securing mechanisms (secondary locks)
must be released or removed using specified tool before
releasing the contacts. Refer to
→ Chapter „Secondary Lock“.
...