How to Remove Emergency Key 2025 Lexus UX 300h: Learn how to remove the emergency key from your 2025 Lexus UX 300h smart key fob in seconds. This quick guide from Mr. Locksmith shows you how to access the hidden mechanical key in case of a dead battery or lockout. (Source: Terry Whin-Yates)
Source: Mr. Locksmith Youtube http://www.youtube.com/user/24hrMrLocksmith
How to Remove Emergency Key 2025 Lexus UX 300h
Mr. Locksmith Automotive (604) 259-7617
Modern Lexus vehicles, like the 2025 Lexus UX 300h, come equipped with a smart key fob for keyless entry and push-button start. But what if your fob battery dies or the smart system malfunctions? That’s where the emergency key comes in.
In this quick Mr. Locksmith guide, we’ll show you how to safely remove the mechanical key from your Lexus UX 300h key fob — a must-know step in case of a lockout or battery failure.
Why You Might Need the Lexus Emergency Key:
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Your key fob battery is dead
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The smart entry system fails
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You need to manually unlock the driver’s door
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You’re replacing the key fob battery

Step-by-Step: How to Remove the Lexus Emergency Key
Step 1: Locate the Release Button
Flip the Lexus key fob over to the back side. Near the base of the fob, you’ll see a small release button or latch.
Step 2: Press the Release Button
Use your thumb or fingernail to firmly press the button. This unlocks the hidden mechanical key from the fob.
Step 3: Slide the Emergency Key Out
While holding the button down, pull the silver emergency key blade straight out of the key fob. It should slide out smoothly.
Step 4: Use the Key (If Needed)
You can now insert the key into the driver’s side door lock to manually unlock the vehicle.

What Is the Lexus Emergency Key For?
The emergency key is a physical backup to the electronic smart fob. If the battery dies or the electronics fail, the mechanical key ensures you can still access your vehicle. It’s a great feature — as long as you know how to use it!
Pro Tip from Mr. Locksmith:
Keep your key fob battery fresh and check it annually. If you notice reduced range or unresponsiveness, it might be time to replace the CR2032 battery. Source: Terry Whin-Yates Mr. Locksmith Linkedin
Locked Out or Lost Your Lexus Key?
Mr. Locksmith is your trusted automotive locksmith for Lexus and all major vehicle brands. We provide:
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Car key replacement
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Emergency lockout service
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Key fob programming
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Smart key duplication
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24/7 mobile service
📞 Call Mr. Locksmith today at 604-259-2953 or visit mrlocksmith.com
Mr. Locksmith Automotive (604) 259-7617
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Mr. Locksmith™

Mr. Locksmith is your trusted, professional locksmith service offering expert residential, commercial, and automotive locksmith solutions across British Columbia. Whether you’re locked out, need your locks changed or rekeyed, or require high-security lock systems like Schlage Primus, Mr. Locksmith delivers fast, reliable, and damage-free service. With mobile locksmith units fully equipped for key cutting, lock repair, and security upgrades, our certified technicians are ready to respond quickly to your needs. From emergency car lockouts in Langley to commercial master key systems in Richmond. “Mr. Locksmith has the tools, training, and experience to keep you secure.” (Source: Terry Whin-Yates)
Mr. Locksmith is a trusted locksmith company serving residential, commercial, and automotive clients throughout British Columbia. We specialize in emergency lockouts, lock change and rekeying services, high-security lock installations, key duplication, and mobile automotive locksmith services. Whether you’re locked out of your home, need car key programming, or want to upgrade to Schlage Primus or other high-security systems, Mr. Locksmith provides fast, professional, and reliable service. Available 24/7, our licensed locksmiths are fully equipped to handle all your security needs on-site.
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