How to Replace the Battery in a Sonata 8 Car Key?

1 Answers
VanMalachi
07/30/25 2:54am
Sonata 8 key battery replacement method is as follows: 1. First, remove the metal key from inside the key fob and locate the gap at the end of the key. 2. Find a tool that can be used to pry and gently force open the outer shell of the key. 3. Once the outer shell is opened, the battery will be visible. 4. Remove the old battery and install the new battery correctly. Additional information: The eighth-generation Sonata has a body size of 4820mm x 1835mm x 1470mm, with a wheelbase of 2795mm, making it one of the largest in its class in terms of cabin space; the interior distance reaches 1845mm.
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