Acura Key Fob Replacement & Programming Mobile Auto Locksmith

Acura Key Replacement FAQ (Common Questions)

### Why does my Acura say “Key Not Detected”?
This error means your car isn’t sensing the presence of the smart key fob. The most common cause is a dead or weak fob battery, which prevents the fob’s transmitter from communicating with the car. Try replacing the coin battery in your Acura key fob first. If the message still appears, other causes could be electronic interference (nearby devices disrupting the signal) or a faulty key fob. A damaged fob (from being dropped or wet) might intermittently fail and trigger “no key detected” warnings. In rare cases, the car’s receiver (antenna) or push-start button could have an issue. How to fix it: Use the emergency key blade to unlock the car if needed, hold the fob near the start button (some Acuras have a backup start sensor), or call a locksmith. We can test your Acura fob’s signal, replace the fob or battery, and reprogram the system if necessary to eliminate the error. Tip: Always replace the fob battery at the first sign of trouble (like reduced range), since a fresh battery solves most “key not detected” problems.

### Can a locksmith fix an Acura immobilizer problem?
Yes – an experienced auto locksmith can resolve many immobilizer issues that would otherwise require a dealer. The immobilizer is the security system that only allows the car to start when it recognizes the correct key chip. If your Acura’s green key icon is flashing on the dash and the car won’t start, it indicates the transponder isn’t being recognized or there’s a security fault. Our technicians have dealer-grade diagnostic tools to scan and reprogram Acura immobilizer systems. In many cases, we can re-synchronize your existing key or program new keys to the immobilizer to get the car started again. We can also replace faulty immobilizer components (like the antenna coil around the ignition). For older Acura models, locksmiths even have special procedures to re-flash the immobilizer control unit to accept new keys when all originals are lost. In short, a locksmith can fix most Acura immobilizer problems by either correcting the key’s programming or repairing the immobilizer hardware – all at your location. If the issue turns out to be something like a dead car battery or starter problem instead, we’ll diagnose that too and point you in the right direction.

### I lost all the keys to my Acura – what should I do?
Don’t panic. We can make a new key for your Acura even if you have no working key at all. Our mobile locksmith will come to your car’s location and create a new key from scratch. Using your VIN and specialized tools, we cut a key that fits your locks and then program a transponder/chip so that it starts the ignition. Even with all keys lost, a locksmith can usually have your Acura rekeyed and running again in about an hour. This saves you a tremendous amount of time and money compared to towing your vehicle to the dealership. Dealers often take days to get a new key (since they may need to order key codes or new fobs), but we do it on-site the same day. According to an Acura locksmith specialist, most Acura key replacements can be completed in less than an hour on-site. We’ll also pair remote fobs if your model uses them, so you regain full remote locking/unlocking functionality. Bottom line: If you lost all your Acura keys, call us and we’ll handle everything – unlocking the car (if needed), cutting a new key, and programming it to the car’s computer. You’ll be all set with a fresh key and fob, without ever leaving your driveway.

### Why is there a flashing green key light on my Acura’s dashboard?
The green key icon (immobilizer indicator) blinking on your dash means the car does not recognize your key’s transponder. In other words, the key you’re using is not programmed for the car, or the immobilizer system is malfunctioning. This often happens if you try to start the car with an unprogrammed key or the wrong key. It can also occur if the key’s chip is damaged or if there’s an issue with the car’s security module. When that green key light is flashing, the Acura’s engine will typically crank but will not start as a theft prevention measure. To fix this, a new or correct key needs to be programmed to the vehicle. Our locksmiths can come out with a diagnostic tool and reprogram your Acura’s key or immobilizer so that the car recognizes the chip. Once the key is properly programmed, the green key light will go off and the engine will start normally. If you already have a valid key and still see the light, there could be an antenna or wiring issue – we can troubleshoot that as well. In summary, a blinking key light is your Acura telling you “this key isn’t authorized.” We’ll help get the right key programmed so your Acura starts up again.

### How much does it cost to replace an Acura key?
Costs can vary depending on your Acura model and key type, but mobile locksmiths are generally more affordable than dealerships. Dealerships might charge $200–$500 or more for a new Acura smart key fob and programming (plus the cost of towing if you can’t drive the car) – their prices tend to be higher due to OEM part costs and labor. At Capitol Locksmith DC, our prices for Acura key replacement are typically 30-50% less than dealer prices for the same service. For example, replacing a standard Acura transponder key might cost around the lower end of that range, while a high-end Acura smart key fob with remote functions will be on the higher end. The good news is we will quote you a flat price upfront with no surprises. Call us at 202-993-9919 and we’ll give you a competitive quote for your specific Acura and situation. Remember, our fee includes coming to your location and programming the key on-site – a convenience factor you won’t get at a dealer. Note: Getting a duplicate made (when you still have an existing working key) is cheaper than making a key from scratch with no original, so it’s wise to get a spare before you lose all keys.