I didn't know

[Salford boy]

Hi all vauxhall meriva b 1.4 turbo a14net I have owned the car for just over 3 years and found out today that when locking car using the key fob if you press once and hold button for a few seconds it will automatically close both front windows and also when unlocking do the same thing and both front windows will come down .I'm not sure if everyone knows about this but only by chance found out myself anyway thanks for reading