How to Replace the Battery in a Beijing Hyundai Elantra Car Key?

[MilaDella]

Method for replacing the battery in a Beijing Hyundai Elantra car key: 1. Press the circular button on the car key to release the metal mechanical key. 2. After the mechanical key is released, you can see the hidden part blocked by the metal key. Lift the car key cover along the gap. 3. Open the car key cover to see the battery inside. Remove the old battery and insert the new prepared battery. 4. Press the key cover back into place to complete the car key battery replacement. Precautions for using the Elantra smart car key: 1. Do not place it together with electronic devices. 2. Avoid rough handling. 3. The smart car key must not get wet.

[VanSerenity]

I've replaced the battery in my Hyundai Elantra key fob several times, and it's quite simple. The key usually has a small notch where you can gently pry open the back cover using a small screwdriver or a hard card. Once opened, you'll see the battery compartment. The battery model is CR2032, which costs just a few dollars at the supermarket. Remove the old battery and insert the new one with the plus sign facing up to ensure correct polarity. Then snap the back cover back into place. Test the remote functions, such as locking and unlocking the car. Doing it yourself can save you dozens of dollars in repair fees, but be careful not to pry too hard to avoid cracking the key fob shell. If the remote range starts to shorten, it's time to replace the battery—opt for a high-quality brand to prevent leakage. The whole process takes about five minutes and isn't complicated at all.

[WillowDella]

I helped my neighbor replace the battery in their Elantra key fob, and it's easy to learn. First, confirm the signs of a dead battery, such as dimming button lights. Use a small tool like flat-nose pliers to gently pry open the side seam of the key fob—inside is a flat CR2032 battery, so make sure to buy the correct size. After removing the old battery, pay attention to the orientation in the slot; the new battery's positive side (marked) usually faces upward when installed. When reattaching the cover, align the clips and press gently. After completion, test the remote lock button for a normal response. Buying the battery costs just a few dollars, and DIY is safe and cost-effective—avoid rushing and using metal tools to pry randomly to prevent short circuits. It's recommended to check annually to avoid sudden failure affecting travel convenience.

[Heidi]

The method to replace the battery in my Lantra key is straightforward: pry open the back cover and replace it with a CR2032 battery. Use a credit card or a thin tool to gently pry open the gap—avoid using excessive force. The battery compartment has positive and negative markings; insert the new battery with the positive side facing up, then close the cover and test it. It's a simple process that takes just a few minutes, and you can get the battery for five yuan at a battery shop. Be careful not to install it backwards, or it won't work.