> How is a signal jammer useful for stealing a car? I can't vouch for UK in particular, but generally having some sort of tracker (level x security system) is

> How is a signal jammer useful for stealing a car? I can't vouch for UK in particular, but generally having some sort of tracker (level x security system) is mandatory to insure more expensive/exotic cars. A signal jammer prevents the tracker from calling home and, well, the stolen car being tracked before the tracker is found, disconnected and destroyed.