Don't do anything that leaves a clue that something's gone wrong with the car on purpose

Tyres are brilliant to let down and leaving some salt on the wiper blades works well when it's cold but dry

Anything else that can be traced back to you and be classified as dangerous will leave you in the poo

But broken windows along with tampering with the obd port a few times might make her think someone's trying to nick it

Obviously find a couple of druggie types to do this while you are down the pub so if anyone gets caught it's not you, not that is condone that sort of behaviour, I'm just saying what I've seen on the telly