Hello and welcome Thomas,
My strong advice would be not to fiddle with anything on this car, but to e-mail ( so that you have a record) the seller, and outline your concerns, and ask them to rectify the issue. If they cannot fix it to your satisfaction, then you should have an option of returning the car within 30 days for a full refund. Let’s hope they can fix it for you.
Perhaps you could let us know how you get on.
Kind regards,
Gareth.