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  #1  
Old 08-20-2011, 01:59 PM
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Talking 2011 Sonata Smart Key battery replacement

Can anyone provide instructions as to how to open the smart key unit for battery replacement? The car is an '11 Sonata. I found the slots on each side. Is there a secret? Are there instructions? Many thanks!
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  #2  
Old 08-20-2011, 04:08 PM
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Why do you need to replace the battery? The car is only a year old? Have you read your owners manual?
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  #3  
Old 08-20-2011, 06:06 PM
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Default 2011 Sonata Smart Key battery replacement

Hello Nova:

Yes I have read the manual. I'd like to know how to replace the battery for when it does in fact, require replacement.

Thanks.
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  #4  
Old 08-20-2011, 07:29 PM
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Both fobs for my '09 Sonata still going strong at 3 years old. How long should I expect the batteries to last?
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  #5  
Old 08-21-2011, 07:22 PM
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Quote:
Originally Posted by rajp53 View Post
Yes I have read the manual. I'd like to know how to replace the battery for when it does in fact, require replacement.
Really? You read the manual? Did you miss page 4-11?

Click the image to open in full size.


Quote:
Originally Posted by pete c View Post
Both fobs for my '09 Sonata still going strong at 3 years old. How long should I expect the batteries to last?
The fobs for my 2006 Tucson and 2006 Sedona are 5 years old and still working.
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File Type: jpg 2011 Sonata 4-11.jpg (87.2 KB, 35 views)
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  #6  
Old 08-22-2011, 09:30 AM
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Default 2011 Sonata Smart Key battery replacement

Hello Nova:

Yes I did see that entry, but I still cannot open it. Thanks for the time and attention.

Regards
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  #7  
Old 08-22-2011, 09:36 AM
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The instructions seem clear to me but if you are still having problems, I'd suggest going to the dealership and having a mechanic take care of that for you.

Best Regards
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  #8  
Old 10-18-2012, 12:17 PM
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Use the right size screw head (similar to the slot size) and it will pop open when you twist the screw driver. I tried a smaller head (.250") and it didn't work. I used the one that's .375" wide. So, if I were you, I will try
to find a flat-head that's at least .350" wide. Good luck!
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Old 10-18-2012, 12:17 PM
 
 
 
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2006, 2011, battery, fob, hundi, huyundai, hyundai, key, location, replace, replacement, size, smart, sonata, working


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