Boot is definitely trunk and bonnet is hood

I say mam :)

I'd call them both chips, I never say fries :laugh:

Ooooh yeah. I think I thought they said jam because of the Friends episode :laugh:

I think tailgate is just used for trucks rather than cars actually :think:

I only ever heard tailgate used as in to drive really close behind someone, is it the bumper or something?

Yeah it says:
A tailgate, or sometimes the hatch, is a hinged board or door at the rear of a vehicle that can be moved up or down during loading and unloading. Also called a tailboard, it is commonly found in pickup trucks or hatchback vehicles.