How to Replace the Battery in a Highlander Key?

1 Answers
JaydenFitz
07/30/25 8:44am
On the back of the remote, there is a circle with a groove in the middle. Use a coin to turn the groove counterclockwise to the small triangle mark near the circle to open the cover. Replace the button battery with a new one, paying attention to the battery's numbering. Be careful not to reverse the + and - poles. Precautions for using the Highlander car key are as follows: 1. Frequently placing the smart car key and mobile phone together may inevitably cause the smart key to malfunction, as the chip in the smart key can sometimes be interfered with by the phone's frequency, potentially leading to temporary failure of the key's remote function. 2. The battery life of the smart car key is approximately 1 year. Due to the varying frequency of key usage, battery consumption will differ; using the key at different distances will also affect power consumption.
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