Mmmm, found it, garage put new tyres on and didn't tighten lug nuts up. All these safety features and if tech is smoking weed and thinking misogynistic thoughts. You're wife's wheel could fly off.
Hi unless changed recently it is probably the battery on its way out, other than that the easiest thing is to get it plugged in for faults and if they are low voltage faults thats your answer.
Steve.