How to Open a Hyundai Car Key to Replace the Battery?

1 Answers
Shelley
07/30/25 6:29am
To open a Hyundai car key to replace the battery, follow these steps: 1. Locate and press the button on the top to pull out the mechanical key; 2. Insert the mechanical key into the door handle and turn to open; 3. Use a flat-head screwdriver to pry open the car key cover and open it by hand; 4. Remove the old battery and install the new one. Taking the Hyundai Elantra 2021 Premium Edition as an example, it is a compact 4-door, 5-seater sedan with body dimensions of 4680mm in length, 1810mm in width, and 1415mm in height, and a wheelbase of 2720mm. It is equipped with a 1.4T turbocharged engine and a 7-speed dual-clutch transmission.
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