“The fob has become a critical part of the security of the car,” he said. The average price for an Audi key fob replacement, including programming, is $500, we were told.

With a key fob programmer, you can program your new key and reprogram faulty key fobs. Our experts have researched Amazon to discover the most popular key fob programmers in the automotive market.

"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.

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 ...

They have the expensive equipment required to program a new key fob. If you car’s a little older, Consumer Reports said you likely can save money with an after market fob.

Replacing a key fob usually involves contacting your dealership who then needs to place a custom order. But the K2 fob works like a universal remote for vehicles, requiring just their make, model ...

And that’s just for the fob. Add another $50 to $100 to get replacement fobs programmed to work with your car and to have a new mechanical backup key made.