Is your 2011 Lexus IS250 key fob not working as reliably as it used to? Before you consider a costly replacement, the solution might be as simple as swapping out the battery. A dead battery is the most frequent culprit behind a malfunctioning key fob, and fortunately, it’s a straightforward fix you can handle yourself.
Lexus IS250 key fobs typically utilize either a CR1632 or CR2032 battery. These batteries are inexpensive, usually costing under $6, and are readily available online and at most stores selling batteries. Knowing the type your fob needs is the first step to restoring its functionality.
Step-by-Step Battery Replacement for Your Lexus IS250 Key Fob
Whether you have a newer or older 2011 Lexus IS250, the process to access and change the battery is quite similar. Here’s how to do it:
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Identify Your Key Fob Type: Lexus key fobs come in various designs. For the IS250, you likely have a standard remote, a remote head key, or a smart key. The opening method is generally consistent across these types.
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Opening the Key Fob Casing:
- For some models: Locate the hidden mechanical key within your key fob. Remove this key and look for a slot revealed underneath. Insert the mechanical key into this slot to gently pry open the key fob case.
- For other models: If you don’t find a designated slot, examine the edges of your key fob for a small notch or seam. Use a thin, flat object, such as a small flathead screwdriver or a credit card, to carefully pry open the case at this point. Be gentle to avoid scratching or damaging the plastic.
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Accessing the Battery: Once the case is open, carefully lift the circuit board inside to reveal the battery compartment.
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Battery Removal and Replacement: Take note of the battery’s orientation before removing it – specifically, how the positive (+) and negative (-) sides are positioned. Remove the old battery. Install the new CR1632 or CR2032 battery, ensuring it is placed in the same orientation as the old one.
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Closing and Testing: Carefully reassemble the key fob case, ensuring it snaps back together securely. Test the functionality of your key fob by pressing the buttons to lock, unlock, or activate other features of your Lexus IS250.
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Troubleshooting: If your key fob still doesn’t work after battery replacement, double-check that the battery is correctly seated and that the battery contacts are clean and making good contact.
Still Having Issues? Explore More Options
If a new battery doesn’t solve the problem, there might be a more complex issue with your Lexus IS250 key fob. For further assistance and visual guidance, we offer video tutorials. Visit our YouTube page and search for videos related to Lexus key fob battery replacement. Even if you don’t find a video specifically for your 2011 Lexus IS250 key fob, videos for similar Lexus models or key fob types can be very helpful as the battery replacement process is often similar.
In some cases, if battery replacement doesn’t work, you might need to consider a full key fob replacement or professional programming. However, starting with this simple battery change is always the most economical and efficient first step.
