# How to replace key fob battery 2017 Ford Edge > ClearTheCode — Learn how to replace key fob battery in your 2017 Ford Edge quickly and easily. Restore full functionality to your remote entry system today. Source: https://clearthecode.com/articles/key-fob-battery-replacement-diy-ford-edge-2017 Author: ClearTheCode # How to replace key fob battery 2017 Ford Edge Is your 2017 Ford Edge key fob acting sluggish, losing its range, or failing to unlock your doors on the first try? These common frustrations often point to a simple solution: a dead or dying battery. Fortunately, learning **how to replace key fob battery 2017 Ford Edge** is a straightforward DIY task that requires minimal tools and can save you a trip to the dealership. This guide will walk you through the process, ensuring your remote entry system is back to full strength. ## What drivers notice on this 2017 Ford Edge Drivers of the 2017 Ford Edge typically experience a range of symptoms when their key fob battery starts to weaken. These issues can be inconvenient and, in some cases, prevent you from easily starting your vehicle. - **Reduced operating range:** You might find yourself needing to be much closer to your Edge for the fob to lock or unlock the doors. - **Intermittent functionality:** The key fob might work sometimes but not others, or require multiple button presses to register. - **Failure to lock or unlock doors:** This is often the most noticeable symptom, leaving you manually unlocking your vehicle with the physical key. - **Push-button start issues:** The vehicle may display a message like "No Key Detected" or require you to hold the key fob directly against the steering column or in a specific slot to start the engine. - **"Low Key Fob Battery" message:** Your instrument cluster may display a specific warning indicating that the key fob battery is low. ## At a glance: difficulty, repair cost, and diagnostic workflow - **Difficulty Rating:** 6/10 — Easy to moderate - **Common Symptoms:** Delayed response: Pressing a button on the fob results in a noticeable delay before the vehicle responds.; Inconsistent locking/unlocking: The doors might lock but not unlock, or vice-versa, or only respond to certain buttons.; Remote start failure: If your Edge has remote start, this feature might stop working entirely or become unreliable.; Panic button unresponsiveness: The panic alarm may not activate when pressed. - **Estimated Repair Cost:** $80–$900 (parts + typical shop labor) - **OEM Tooling Required:** Standard OBD-II scanner and hand tools **Diagnostic workflow:** 1. Confirm the symptom on your 2017 Ford EDGE. 2. Scan for stored or pending codes with an OBD-II tool. 3. Inspect the most common causes in this guide (visual checks first). 4. Run verification tests before replacing parts. 5. Repair, clear codes, and verify on a test drive. Browse the [model repair hub](/vehicles/ford/edge) and [make hub](/vehicles/ford) for related guides. ## Symptoms and warning signs Recognizing the early signs of a dying key fob battery can prevent you from being stranded or frustrated. For your 2017 Ford Edge, these are the key indicators: - **Delayed response:** Pressing a button on the fob results in a noticeable delay before the vehicle responds. - **Inconsistent locking/unlocking:** The doors might lock but not unlock, or vice-versa, or only respond to certain buttons. - **Remote start failure:** If your Edge has remote start, this feature might stop working entirely or become unreliable. - **Panic button unresponsiveness:** The panic alarm may not activate when pressed. - **Warning light/message:** The most definitive sign is often a message on your dashboard, such as "Low Key Fob Battery" or "Key Fob Battery Low." ## How to verify and confirm the issue Before you open up your key fob, a few quick checks can help confirm that a dead battery is indeed the problem and not something more complex. - **Check the dashboard message:** If your 2017 Ford Edge displays a "Low Key Fob Battery" warning, this is a clear indicator. - **Test both key fobs (if applicable):** If you have a second key fob, test its functionality. If the second fob works perfectly, it strongly suggests the battery in the first fob is the culprit. - **Observe range reduction:** Stand close to the vehicle and try to operate the fob. If it works from a very short distance but not from further away, the battery is likely weak. - **Attempt push-button start with fob against column:** If your Edge has push-button start, try holding the key fob directly against the steering column or in the designated backup slot (often in the center console). If the car starts this way, it confirms the fob has just enough power for proximity detection but not for full remote operation. - **Visual inspection (limited):** While you can't see the battery without opening the fob, a quick look for any obvious physical damage to the fob itself is always a good idea. ## Common causes (most likely first) For a 2017 Ford Edge key fob, the causes of battery failure are almost always related to the battery itself. - **Normal battery depletion:** Key fob batteries, like all batteries, have a finite lifespan, typically 2-4 years depending on usage. This is by far the most common reason. - **Frequent use:** The more often you press buttons on your fob, the faster the battery will drain. - **Environmental factors:** Extreme temperatures (very hot or very cold) can slightly reduce battery life. - **Battery quality:** Using a low-quality or expired replacement battery can lead to premature failure. ### Related guides on this vehicle - [How to Replace Key Fob Battery 2016 Ford Edge](/articles/key-fob-battery-replacement-diy-ford-edge-2016) - [Key Fob Battery Replacement 1996 Ford Cf7000 Guide](/articles/key-fob-battery-replacement-diy-7788-ford-cf7000-1996) - [P0011 2024 Lexus Gx: Intake Camshaft Timing Over-Advanced](/articles/p0011-lexus-gx-2024-diagnostic-guide) ## Step-by-step diagnosis and fixes Replacing the battery in your 2017 Ford Edge key fob is a simple process. Follow these steps carefully. 1. **Gather your tools:** You will need a new CR2450 coin cell battery and a small flathead screwdriver or a thin prying tool. 2. **Remove the emergency key:** Locate the small release button on the side or back of your key fob. Press this button and pull out the physical emergency key blade. This key is crucial for manually unlocking your door and also helps in opening the fob. 3. **Open the key fob case:** With the emergency key removed, you'll see a small slot where the key was. Insert the tip of your small flathead screwdriver or prying tool into this slot. Gently twist or pry the two halves of the key fob apart. Be careful not to use excessive force, as the plastic can be brittle. 4. **Locate and remove the old battery:** Once the fob is open, you'll see the circular coin cell battery. Note its orientation (which side is facing up). Using your screwdriver, gently pry the old battery out from its holder. Avoid touching the circuit board components directly. 5. **Insert the new battery:** Take your new CR2450 battery and insert it into the holder, ensuring the positive (+) side is facing up, matching the orientation of the old battery. Make sure it snaps securely into place. 6. **Reassemble the key fob:** Carefully align the two halves of the key fob case and press them firmly together until they snap shut. You should hear a distinct click. 7. **Reinsert the emergency key:** Slide the emergency key blade back into its slot until it clicks and locks into place. 8. **Test functionality:** Take your newly reassembled key fob to your 2017 Ford Edge and test all functions: lock, unlock, remote start (if applicable), and push-button start. It should now respond instantly and reliably. For more information on [Ford vehicles](/vehicles/ford) or specifically the [Ford Edge model](/vehicles/ford/edge), explore our comprehensive hubs. ## Repair options and cost factors When it comes to a dead key fob battery, your options are quite simple, with significant cost differences. - **DIY Battery Replacement:** This is the most cost-effective option. The only expense is the new CR2450 battery, which typically costs between $5 and $15, depending on the brand and where you purchase it. The process is quick and requires no special programming. - **Dealership or Locksmith Service:** If you prefer not to do it yourself, a Ford dealership or an automotive locksmith can replace the battery for you. This will involve a labor charge in addition to the battery cost. Expect to pay anywhere from $30 to $100 or more for this service, making DIY a significant saving. ## When to see a professional While key fob battery replacement is usually a straightforward DIY fix, there are instances where professional help might be necessary for your 2017 Ford Edge. - **New battery doesn't resolve the issue:** If you've replaced the battery correctly and your key fob still isn't working, there might be an underlying issue with the fob itself, such as internal damage or a programming fault. - **Physical damage to the fob:** If your key fob has been dropped, run over, or exposed to water, the internal electronics might be damaged beyond a simple battery replacement. - **Vehicle programming issues:** In rare cases, a key fob might lose its programming after a battery change, though this is uncommon for the 2017 Ford Edge. If the vehicle doesn't recognize the fob at all after a new battery, professional reprogramming might be needed. - **Lost or stolen key fob:** If you've lost your key fob or it has been stolen, you'll need a professional to program a new one and potentially deactivate the old one for security reasons. You can find more repair guides here. ## Frequently asked questions ### What type of battery does a 2017 Ford Edge key fob use? The 2017 Ford Edge key fob, specifically the intelligent access (push-button start) style, uses a CR2450 coin cell battery. This is a common battery type, readily available at most electronics stores, supermarkets, or online retailers. ### Do I need to reprogram my 2017 Ford Edge key fob after changing the battery? No, typically you do not need to reprogram your 2017 Ford Edge key fob after simply replacing the battery. The key fob retains its programming even when the battery is removed. Once the new battery is installed, it should function normally without any additional steps. ### How long does a 2017 Ford Edge key fob battery usually last? On average, the battery in a 2017 Ford Edge key fob will last between two to four years. Factors such as how frequently you use the key fob's buttons, environmental conditions, and the quality of the battery can influence its lifespan. ## Sources and further reading For additional information on your vehicle's maintenance, you can consult your 2017 Ford Edge owner's manual. If you're exploring other vehicle types, browse our full list of [vehicles](/vehicles) or dive deeper into specific [OBD-II codes](/codes) that might appear. Always refer to official Ford service procedures for the most accurate and up-to-date information. This article is intended for informational purposes and is not a substitute for OEM service procedures. Always use a qualified technician for safety-critical work.