How to Replace the Battery in a Hyundai Mistra Key?
3 Answers
The method to replace the battery in a Hyundai Mistra key is as follows: 1. First, use a screwdriver to remove the key fob cover; 2. Gently remove the key blade; 3. Insert the screwdriver into the hole indicated by arrow 1 and turn it clockwise as shown in the diagram to completely separate the two parts of the key fob; 4. After opening, remove the battery and detach the circuit board; 5. Finally, replace it with a new battery and reassemble by following the reverse order of the disassembly steps. Additional information: 1. The Mistra EV is positioned as a "Smart Vehicle for Superior Living," designed for "creators of superior living" who prioritize family, have a pleasant and profound personality, and focus on vehicle quality and technology. 2. The Mistra EV is equipped with a globally standardized three-electric system and kinetic energy recovery system, achieving a range of 520 km under NEDC conditions. It also offers a spacious and comfortable interior that surpasses its class, along with cutting-edge intelligent connectivity and safety features, providing users with a higher-quality new energy travel experience.
I've also replaced the battery for my Hyundai Mistra key before, and the process was quite simple. First, prepare a small screwdriver and a new battery, usually a CR2032 coin cell, which can be bought cheaply at supermarkets or online. There's a small notch on the back of the key—use the screwdriver to gently pry open the casing, but don't apply too much force to avoid damaging the plastic. After removing the old battery, check its orientation, and insert the new battery in the same direction to ensure correct polarity; otherwise, the circuit could get damaged. Close the casing and test the unlocking function by pressing the buttons a few times to ensure it works properly. Doing it yourself not only saves money and time compared to going to the dealership but also teaches you a handy skill. Key batteries typically last about two years, and avoiding drops and excessive sunlight can extend their lifespan. The whole process takes about five minutes, but it's best to do it in a well-lit area to prevent mistakes.
When replacing the battery for my Hyundai Mistra key, I always pay attention to safety details. First, confirm the battery model, which is mostly CR2032. Use a fine-tip screwdriver to gently pry open the gap on the back cover of the key, being careful not to scratch your fingers or damage the casing. Before removing the old battery, take a photo to remember the positive and negative terminal positions, then insert and secure the new battery. After completion, test the key signal to ensure it works properly—try both locking and unlocking. If performing the task outdoors is prone to errors, I recommend doing it in a safe spot like a parking lot or at home, avoiding rainy days or strong light interference. Changing the battery is quick and saves repair costs, but regularly check the battery voltage to prevent sudden failure and reduce the risk of the key running out of power on the road.
