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Hi,
From the detail provided, I would support a lot of what has been said about going to meet your lenders & explaining the situation asap.
I would further suggest that you consider disposing of one of the two cars - remember, these cars cost a lot of money to run, aside from the loan repayments (ie fuel, road tax, insurance, repair, parking etc).
Sadly, as you are going to be out of work for a little while, you should be able to manage with only one car (I assume, between yourself and your partner

)
By disposing of one car you reduce:
- your debt, by the sale price of the car
- your outgoings, by various costs associated with running that car.
Regards
G>