[Yingtao Zeng], [Qing Yang], and [Jun Li], a.k.a. the [UnicornTeam], developed the cheapest way so far to hack a passive keyless entry system, as found on some cars: around $22 in parts ...
If you are still in the process of buying, talk to the dealership about the security standards of the keyless function and also ask if the system can be disabled. If you already have a car with ...