Why does the Tayron prompt to replace the key battery?

[StCamille]

Tayron prompting to replace the key battery is a normal phenomenon, and replacing the battery will solve the issue. Tayron key functions: It has three buttons: lock, trunk open, and unlock. To lower all four windows simultaneously, press and hold the unlock button. To raise all four windows, press and hold the lock button. Note that this feature may require manual activation in some Volkswagen models through the central control screen settings. Battery replacement precautions: Improper battery replacement may damage the car key. Using a battery that does not meet specifications may render the key unusable. The battery's rated voltage, size, and specifications should be identical. Following the correct steps for battery replacement usually prevents issues. If problems arise during replacement that cannot be resolved, it is recommended to call the 4S store for assistance.