Who Can Program a Key Fob for Free?
- The free way is onboard programming. You do it yourself in the driver seat with the steps from your manual.
- Most cars that allow it need two working keys to add a third. Ford, GM and Chrysler all work this way.
- A fob that broke on its own may be fixed free under a new car bumper to bumper warranty.
- Car insurance will not pay for a lost fob. It may pay if the fob was stolen with the car.
- Push to start smart keys almost always need a dealer or a locksmith with a programming tool.
- Try a fresh battery first. A dead fob is often just a dead coin cell.
A Fob Is Two Things, and Only One Is Usually Free
We list locksmiths across the country, and the question we see most about fobs is why one shop says free and another says 150 dollars. The answer is that a fob is often two parts in one case.
The first part is the remote. That is the lock, unlock and trunk buttons. On many older cars, the car will learn a new remote if you follow a short routine with the key and the doors. That costs nothing.
The second part is the chip that lets the engine start. It talks to the immobilizer. That part is guarded much more tightly, because it is what stops a thief. Adding a new chip often needs a scan tool, a dealer, or a locksmith with the right software.
So a cheap remote from the internet may lock your doors fine and still not start the car. If the buttons work but the engine will not turn over, the chip was never paired. Our post on hardware store, dealer or locksmith for a car key explains the key types in more detail.
Everyone Who Might Do It for Free
Here is the full list, best odds first. We checked each one against what the source actually says, on October 11, 2026.
1. You, With Two Working Keys
This is the real free option. Ford's support page says you can program a spare yourself if you have two keys that are already programmed, and it points you to the owner's manual for the steps. Consumer Reports found that GM and Chrysler owners can also add a third fob themselves as long as they have two working ones.
The steps are different for every make. Many cars use a routine where you turn the key on and off a set number of times, wait for the locks to cycle, then press a button on the new fob. Look in the manual under keyless entry or keys. Do not guess the routine from a video for a different car.
2. The Dealer, If the Car Is Under Warranty
Consumer Reports says most new car bumper to bumper warranties cover key fob malfunctions. That means a fob that failed on its own, not one you lost or dropped in a lake. If your car is still in its warranty period, call the dealer service desk before you pay anyone.
3. A Mechanic Who Knows You
One key supplier, Locksmith Keyless, notes that a mechanic with fob programming equipment might do it free for a good client. That is a favor, not a policy. It is worth one polite question at a shop where you already spend money.
4. A Key Protection Plan You Already Bought
Some people paid for key coverage when they bought the car and forgot. Progressive says that in some states you can add key coverage through a vehicle protection plan. Check your purchase papers for a key or fob plan before you pay.
Who Will Not Do It Free
Car insurance on its own. Progressive says comprehensive coverage will not cover lost keys. It may pay to replace a key that was stolen along with the car. Roadside help can send someone for a lockout, but you still pay for the new key.
Can Your Car Do Onboard Programming?
Run this check before you buy a fob or book anyone. It takes five minutes on a phone.
- Count your working keys. Two or more keeps the free door open on many cars. One or zero usually means a paid visit.
- Look at how the car starts. A metal key you turn is the best case. A push button start with a smart key is the hardest case for doing it yourself.
- Open the owner's manual. Search for keyless entry, transmitter or programming a spare key. If the steps are printed there, the car allows it.
- Call the dealer service desk. Locksmith Keyless suggests asking the service center if your fob is self programmable. It is a free call.
- Match the fob exactly. The part number and frequency on the back of the old fob should match the new one. A fob that looks right can still be the wrong one.
Consumer Reports says a car built in the last five years is usually best handled by a dealer. A car ten years or older is more likely to accept an aftermarket fob. That lines up with the free path. Older cars with a turn key give you the best odds.
What It Costs When It Is Not Free
If you have to pay, these are real numbers from people who checked. Note what each one includes, because a fob price and a programming price are not the same thing.
Consumer Reports put the cost of a new fob at 50 dollars to as much as 400 dollars by brand, plus about 50 to 100 dollars for programming and a backup key. European cars tend to cost the most. Dealers told them programming usually takes 15 to 30 minutes.
A locksmith quoted in the same report said he can usually come in 30 to 50 percent under the dealer. That is the main reason to call an automotive locksmith first. They also come to the car, so you skip the tow when every key is gone. For the full price picture, see our car key replacement cost guide.
One trap from the Hyundai example above. Buying the fob online saved about 156 dollars, but the dealer still charged 120 dollars to program it. Ask what programming costs before you buy a fob anywhere.
Have This Ready Before You Call Anyone
- Your year, make, model and the 17 character VIN, which is on the dash and on your registration.
- Every key you still have, even a worn one. Two keys can be the difference between free and paid.
- Your photo ID and the registration or title. Ford says a dealer needs both before it will make you a key.
- The old fob, if you have it, so the new one can be matched by part number.
If you lost every key, read our guide on what to do when you lose all your car keys. That is the case where a mobile locksmith saves the most time and money.
What Most Answers Get Wrong
When we searched this question on Google on October 11, 2026, the top pages were mostly stores and tool makers. One page that says many fobs can be programmed free is mostly a list of car brands with a phone number. Another says the job is free, then sells a scan tool that costs more than most locksmith visits. Almost none say the one thing that decides it. Count your working keys. With two, many cars let you do it yourself. With one or none, plan to pay, and get a locksmith quote next to the dealer quote.
Need a pro? Search our locksmith directory for an automotive locksmith near you.
Common Questions
Can I program a key fob myself for free?
On many cars, yes. Ford, GM and Chrysler let owners add a new fob with steps from the owner's manual, but they usually need two keys that already work. Push button smart keys usually need a dealer or locksmith.
Do I need two keys to program a new key fob?
On many cars you do. Ford says you need two previously programmed keys to make a spare yourself, and Consumer Reports found the same rule for GM and Chrysler. With only one key, plan on a dealer or a locksmith.
How much should it cost to program a key fob?
Consumer Reports found programming and a backup key add about 50 to 100 dollars on top of the fob. A dealer charged 120 dollars to program one Hyundai fob. One key supplier estimates up to 80 dollars at a locksmith, or up to 120 for a key and remote in one.
Does car insurance pay to program a new key fob?
Usually not for a lost fob. Progressive says comprehensive coverage will not cover lost keys, but it may pay to replace a key stolen along with the car. Some states let you add key coverage through a vehicle protection plan.
Is a key fob covered under warranty?
Often, if it failed on its own. Consumer Reports says most new car bumper to bumper warranties cover key fob malfunctions. A lost or damaged fob is a different story, so call the dealer and ask.
Why does my new fob unlock the doors but not start the car?
The remote buttons and the start chip are paired separately. The buttons were learned, but the chip that talks to the immobilizer was not. That part usually needs a dealer or a locksmith with a programming tool.