![Opel / Vauxhall Coolant Level Low - Add Coolant Fault. Sensor Location. Header Tank Reservoir Stuck - YouTube Opel / Vauxhall Coolant Level Low - Add Coolant Fault. Sensor Location. Header Tank Reservoir Stuck - YouTube](https://i.ytimg.com/vi/dGpY0RTQjU8/maxresdefault.jpg)
Opel / Vauxhall Coolant Level Low - Add Coolant Fault. Sensor Location. Header Tank Reservoir Stuck - YouTube
Why is the coolant level of my car almost at empty on the reservoir when cold but normal just below max level when hot? No indication of overheating though on the gauge -
![Low coolant level in my 2018 Silverado 1500 with 57K miles, no obvious leaks, any ideas on probable causes? : r/Silverado Low coolant level in my 2018 Silverado 1500 with 57K miles, no obvious leaks, any ideas on probable causes? : r/Silverado](https://preview.redd.it/ns5256kpcf081.jpg?auto=webp&s=345acb14c4fcf53050b3221e70879758beeda690)