The key fob is your lifeline to your car, letting you unlock the doors and set off the alarm, at a minimum, but how can you ...

Problems with keyless fobs appear to be an increasingly common problem for motorists as technology has shifted the market away from the traditional key and lock.

Rivian Key Fob Still Not Working After 10,000 Miles, Service Troubles This R1T owner hasn't had working key fobs since he took delivery, and Rivian was unable to help for months.

Just know that most customer-programmable key fobs will require two current working keys in order to program the new one. RELATED: How to replace your key fob | Your key fob may have hidden features ...

"The cost to replace the latest key fobs can be as much as $400 depending on the brand. Then add another $20 to $130 to program it to work with your car.

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.

Driving off without your key fob won’t immediately stop the car, but you might not be able to restart or lock it once you reach your destination.