Why can't the Volkswagen Lavida perform one-touch window roll-up?

[VanJoy]

It could be due to abnormal door control module, malfunctioning window regulator control button, insufficient battery power, etc. After disconnecting and reconnecting the car battery, the automatic window roll-up/down function of the power window may temporarily fail, possibly caused by power shortage. It needs to be re-learned. Simply press the switch to roll the window up to the top and hold the switch for more than 3 seconds, then roll the window down to the bottom and hold for 3 seconds to restore the one-touch roll-up function. Power shortage: It may be caused by power shortage and requires re-learning. Simply press the switch to roll the window up to the top and hold the switch for more than 3 seconds, then roll the window down to the bottom and hold for 3 seconds to restore the one-touch roll-up function; Abnormal door control module: It could be due to abnormal door control module, malfunctioning window regulator control button, insufficient battery power, etc. After disconnecting and reconnecting the car battery, the automatic window roll-up/down function of the power window may temporarily fail.