Key fobs are handy for keyless entry to your car, but carrying around multiple key fobs makes for a seriously bulky keychain. With that in mind, tech blog Filear details how to program your ...

Locksmiths might not be able to program fobs for every brand. Another option is to buy a key fob online and then have it programmed at a dealership or by a locksmith.

“The Subaru keyless entry system uses a key fob that contains a short-range radio transmitter and must be within (approx.) 50 ft. of a Subaru vehicle equipped with the system to operate.

The key fob sends out a code which the car interprets to unlock the doors. Typically these codes are randomized to prevent hackers from reusing a previous code, but Subaru's implementation is flawed.