I had a problem this week with the 2020 G20 I purchased a month ago from my local dealership, the parking brake was stuck on and couldn't be released. Lots of amber "P" warnings on the dash, could select F and R drive modes but the rear wheels were locked by the brakes. Had car flat-bed towed to the dealership.
Solution was to perform a software upgrade' Zero cost since the car still has 6 months factory warranty
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