Consumer Reports has no financial relationship with advertisers on this site. Consumer Reports has no financial relationship with advertisers on this site. Today’s new cars pack in more high-tech ...

How your car's security system works Inside your key fob, there’s a tiny computer chip. This chip is programmed with a unique code that it sends to your car's security system. The car also has a chip, ...

Today’s new cars pack in more high-tech electronic features than ever before, and that includes in the key fob. The device has gone far beyond simply locking or unlocking doors, starting a car ...