Some useful words to commit to memory, with the American meaning afterward:

Bonnet - Car hood
Boot - Trunk
Car park - Parking lot, parking garage
Central reservation - Divider, median
Give way - Yield
Indicator - Turn signal
Lorry - Truck
Motorway - Highway, freeway, parkway
Pavement - Sidewalk
Windscreen - Windshield
Traffic light - Stop light
Amber - Yellow (as in the stop light color)