There is always a triangle exclamation mark on the dashboard of BMW 523, which is a warning light for the low cooling water level of the vehicle. When this warning light appears, it is necessary to add the cooling water of the engine in time, otherwise the engine will fail at high temperature. The specific operation steps are as follows:
1. Open the driving door of BMW 523. ?
2. Pull the hood switch of BMW 523.
3. Open the hood of BMW 523. ?
4. Slowly unscrew the small lid of the water tank of BMW 523 to release the internal high-pressure gas. ?
5. Add cooling water to the small kettle of BMW 523 to the maximum position. ?