Much like americans would say 'Bandaid' which is a trademark of a popular brand of sticking-plaster. Or Vaseline is a brand of Petroleum Jelly, Portaloo is a traemark of Portable Bathroom
However, it is indeed the boot of the car at the back, and the bonnet at the front. Although on my own car, it has a Hood Scoop, which is of course fitted to the bonnet
@Thesoldier and @John sherridanis it Coke, Soda, or Pop to call a fizzy drink in your respective states? MN gf tries to tell me it's Pop, but she's wrong.