How to Replace the Key Battery for the 2018 ix35?
4 Answers
Hyundai ix35 Key Battery Replacement Tutorial: 1. Press the key button and pull out the mechanical key. 2. Insert the mechanical key halfway into the key slot and pry upward to open the cover. 3. After opening the key cover, you will see the position of the old battery. A flat-head screwdriver can be used to better remove the old battery. 4. Ensure the new battery is placed with the positive side facing up. 5. Reassemble the key in reverse order. 6. Test the key functions to ensure they work properly. Precautions for Battery Replacement: 1. Improper battery replacement may damage the car key. 2. Using unsuitable or non-compliant batteries may damage the car key. Only use new batteries with the same rated voltage, size, and specifications to replace the old ones. 3. If you are unsure how to replace the key battery, visit a 4S store for assistance. 4. To prevent reduced key sensitivity, avoid placing the key within 1 meter of magnetic sources for extended periods. 5. Dry your hands before disassembly, as moisture can cause the battery to rust.
I've replaced the battery in my ix35 key fob a few times myself, and it's quite straightforward. There's a small groove on the back of the key—I usually use a small coin or my fingernail to pry open the casing, which is much more convenient than looking for professional tools. Inside, you'll find the common CR2032 coin cell battery. Just place the new battery with the positive side facing up. Be careful not to use too much force to avoid scratching the plastic parts or causing a short circuit with the metal contacts. If the key responds slowly or the lights flash continuously when unlocking, it's a sign the battery is running low. I recommend replacing it every year or two as a precaution. I keep a few spare batteries in my car to avoid being caught off guard. The whole process takes no more than two minutes—doing it yourself saves money and hassle, plus you pick up a handy trick or two.
The steps to replace the key battery are straightforward. First, the tools: a household flathead screwdriver or plastic pry tool is most suitable. Gently pry open the key from the side gap, being careful not to touch the battery contacts with metal tools to avoid damage. The old battery is a CR2032 model; remember to check the positive and negative markings to avoid incorrect installation. After placing the new battery securely, press the casing tightly. If the key functions are unstable, such as the lock failing to work, first test the remote control range before replacing the battery to prevent unnecessary effort. I recommend wearing gloves to protect your hands and keeping a spare key for emergencies. Don't overlook this small maintenance task in daily care, as it can extend the key's lifespan. Although the operation is simple, take your time and avoid rushing to ensure safety.
Quick and easy operation: Locate the opening slot on the ix35 key fob housing, usually at the back. Gently pry it open using a coin or fingernail, remove the old battery, and replace it with a new CR2032, ensuring correct polarity. Test the button functions, and you're done once everything works. The entire process takes under 120 seconds—simple and straightforward. The key is to handle it gently to avoid damaging internal components.
