In addition to the cost of installing a keyless lock if you don't do it yourself ... but rather only charge hardware and installation fees. Key Card Entry Systems Cost Generally, it costs between ...

[Phil] decided he would rather ditch the fob altogether and instead implemented a passive Bluetooth keyless entry system with his Android phone. It’s probably unlikely for car manufacturers to ...

Most modern systems also include keyless entry, allowing you to enter the car without inserting a key or hitting a button on the fob. The newest systems take entry and ignition a step further.

[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 ...