

In still others, which are less common, the assailant forces the lawful operator to drive in accordance with the demands of the assailant, who rides as a passenger. In other incidents, the operator and/or passenger(s) are held hostage in it. In some carjackings, the operators and passengers are forced from the vehicle while the thief is driving it. In most places, this is the most serious form of vehicle theft, because assault also occurs and the method of taking over the vehicle is essentially a robbery, a more serious form of theft. Carjacking: taking a vehicle by force, or threat of force, against its owner or operator.A "test drive" may also give a potential thief insight into where the vehicle keys are stored, so that the thief may return later to steal the vehicle. Opportunistic theft: either the removal of a vehicle that is unattended with the keys visible and sometimes the engine idling, or theft of a vehicle offered for sale during what the thief represents as a test drive.This term is used in the United Kingdom, as is the derivative "twocking". Taking without owner's consent (TWOC): the unauthorized use of a car short of theft.In London, the police say that 50% of the annual 20,000 car thefts are now from high-tech OBD (Onboard Diagnostic Port) key-cloning kits (available online) and bypass immobilizer simulators. Theft of an unattended vehicle without a key: the removal of a parked vehicle either by breaking and entry, followed by hotwiring or other tampering methods to start the vehicle, or else towing.Some methods used by criminals to steal motor vehicles:

Shattered car window glass where a parked car was stolen
