Bulb warning - is , however, a " feature" when no bulb appears to have failed- and its intermittent. I just ignore it.
I solved this one by switching on the headlights after switching on the car.
Mine can anyhow stay 2/3 weeks without the CTEK connected, but I fear the moment when I want to use the car and it does not start, so recently I got the habit to always connect it. Before via the cigarette lighter plug in the glovebox, now I decided to connect it directly to the battery, in this way:
![[Linked Image]](https://i.postimg.cc/ZqkFr6Kw/1209809-F-63-B6-4986-B215-5-A189180309-C.jpg)