You have to file an urgent application in the Family Court and seek a property split and an urgent return of the car.
It is typical that the police will not get involved because they deem it a domestic matter.
You can go and take the car from her and the police should not do anything if you do on the same reasons they did nothing with her.
But if your marriage is over consider getting a property settlement to finalise the property between you.
You can take the car back.
I hope this makes sense and is of assistance. if there is nothing further
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