How to Replace the Battery in a Sonata 8 Key?

[DiElaina]

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.

[McSilas]

I just replaced the key battery for my Sonata 8. First, you need to pull out the mechanical key, then you'll see a seam in the middle of the key casing. Use a small flathead screwdriver to gently pry it open along the seam, being careful not to use too much force to avoid breaking the clips. Once the casing is open, you'll see a round button battery, model CR2032. Remove the old battery directly, then place the new battery with the positive side facing up (the side with text facing up). Align the casing clips and press firmly until you hear a click. Finally, don't forget to reinsert the mechanical key. The whole process takes less than five minutes.

[MacEmmett]

Changing a key fob battery is a piece of cake. I've replaced my old Sonata VIII's key battery three times myself. It boils down to two core steps: disassembling the case and replacing the battery. After removing the mechanical key, it's best to use a thin plastic tool to pry open the key along the seam. Under the green circuit board in the battery compartment lies the silver battery, which can be popped out by gently lifting it from the side with a fingernail. Remember the new battery must be CR2032 type - you can get two for five bucks at supermarkets. When reassembling, align the slots properly and don't reverse the top/bottom covers. Test by pressing buttons - red LED light confirms success.

[LuciaFitz]

Changing the battery for the Sonata 8 key is super easy. Last time, I used a utility knife and got it done in a minute. After pulling out the metal key, there's a clip seam at the end of the key. Just insert the blade and gently pry it open. Before removing the old battery, it's recommended to take a photo to remember the orientation, as beginners often get the direction wrong. The Panasonic CR2032 is the most durable choice, and avoid getting fingerprints on the battery. When reassembling the shell, first insert the metal key halfway for positioning, then align the plastic shell clips and press firmly. Don't forget to test the red light response of the unlock button.

[MacJameson]

Here's a damage-free method to open the case. Stack two 1-yuan coins as a lever, insert them into the gap at the key fob's tail and gently twist. Release when you hear a click—it's much safer than using a screwdriver. The battery is beneath the circuit board; be careful not to dislodge the small spring nearby. After replacement, don't snap the cover shut immediately—test the buttons first. Pro tip: The battery compartment has +/- markings. I've seen people force the battery in without checking the polarity and end up warping the base.