2022 Volkswagen Jetta Owners Manual - Engine coolant temperature gauge

Engine coolant temperature gauge

Digital coolant temperature gauge

Fig. 17 Coolant temperature gauge in the Volkswagen Digital Cockpit Pro version (general example).

1. Cold range. The engine is not at operating temperature yet. Avoid high engine RPMs and heavy engine load when the engine is not at operating temperature.
2. Normal range.
3. Warning range. The needle may move into the warning range when engine load is heavy, especially when outside temperatures are high.

Fig. 18 Coolant temperature gauge in the Volkswagen Digital Cockpit Basic version (general example).

1. Cold range. The engine is not at operating temperature yet. Avoid high engine RPMs and heavy engine load when the engine is not at operating temperature.
2. Normal range.
3. Warning range. The needle may move into the warning range when engine load is heavy, especially when outside temperatures are high.

Troubleshooting

 and  Engine coolant

The red central warning light  turns on. A message also appears in the instrument cluster display.

Or: the  warning light blinks red.

The engine coolant level is incorrect or the engine coolant system is malfunctioning.

Do not continue driving!

1. Stop the vehicle, stop the engine, and let it cool down.

2. Check the engine coolant level ⇒ Checking and filling engine coolant.

3. If the warning light does not turn off even if the engine coolant level is correct, contact an authorized Volkswagen dealer or authorized Volkswagen Service Facility.

   Or: If the engine coolant level is not OK, immediately contact an authorized Volkswagen dealer or authorized Volkswagen Service Facility.