GolfGTIforum.co.uk

Model specific boards => Golf mk8 => Topic started by: Bellovese on 24 April 2026, 17:35

Title: 8.5 GTI - low 12V battery from new
Post by: Bellovese on 24 April 2026, 17:35

Hi

Been driving my new 8.5 GTI for more than a month (1300 km) and a few seconds with the ignition on are enough to get the yellow "12V battery low, start engine" warning.
It's been happening from the very beginning in the showroom. Salesman put in on an external supply for the duration of the handover, said they now all do that when they arrive and VW said it's normal.

I'm coming from a 2020 Leon that hated low voltage but even that one let me navigate in the infotainment for a long while without any warning.

I've now done multiple 2hr+ trips and it's still doing it. Anyone else having this?

Thanks

Title: Re: 8.5 GTI - low 12V battery from new
Post by: valentino on 26 April 2026, 10:04

If mine has the ignition on without the engine running, and i am scrolling through the infotainment centre, it does say switch on engine as its discharging the battery.I think thats normal