I have a Lexus 2022 NX 450 plug in. Every 2 days if we don't drive the 12volt system is completely drained and has to be recharged. we had it in last week and the battery was recharged. So this morning it was complete dead again. Any one know why this keeps happening. they indicated at service that at may have not been fuel charged when it came from the port, however it was when it was at dealer. This frustrating.