How to Replace the Key Battery for a Hyundai Vehicle?

[OGabriela]

Modern car key battery replacement method is: 1. Press the small silver button at the top of the car key; 2. Grasp the top and pull out the mechanical key; 3. Insert the mechanical key into the slot and twist to pry open the key cover; 4. After removing the circuit board, the battery can be seen; 5. Remove the old battery and insert the new one; 6. Reassemble the circuit board and key cover to complete the key battery replacement. Taking the 2021 Hyundai Elantra as an example, it is equipped with a 1.4L turbocharged engine, with a maximum horsepower of 140ps, maximum power of 103kw, maximum torque of 211nm, and is paired with a 7-speed dual-clutch transmission.