How to Replace the Battery in a Sonata 8 Key?

1 Answers
DiElaina
07/29/25 7:59pm
The method for replacing the battery in an eighth-generation Sonata car key is as follows: 1. Locate the button on the top of the eighth-generation Sonata car key, press the button, and pull out the mechanical key. 2. Use a flat-head screwdriver to pry open the side clip of the key and remove the key cover. 3. After opening the cover, you can see the battery inside. Remove the old battery and replace it with a new one. 4. Reattach the car key cover to complete the battery replacement. Here is more information about the eighth-generation Sonata: 1. The eighth-generation Sonata is the eighth iteration of the Sonata model, designed and developed by Hyundai Motor America's R&D center. Based on the American version of the Sonata, the Beijing Hyundai eighth-generation Sonata was tailored for Chinese consumers with eight high-tech features. 2. The vehicle's exterior has a strong three-dimensional effect. The 2013 Sonata 8's changes are mainly concentrated on the front face, where the front grille area is significantly enlarged and extends to the upper and lower ends, enhancing the three-dimensional appearance.
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