Vauxhall Opel Corsa D - Hidden Personal Options - Turn Off 3 Flashes etc -

This system is used from mid 2007 onwards and works for all Corsa D models.
Although this is listed in the owner's handbook most people don't know about it.

Put the ignition key in but don't turn it.
Pull both stalks towards you until you hear a beep... (3 seconds)
Use indicator stalk up and down to select P1, P2 etc, then the wiper stalk up or down to change status or input a value.

P1 - Welcome lights, on/off : Turns on your headlights when you unlock.
P2 - Auto Rear wiper (comes on when reverse is selected with main wipers active)
P3 - Touch control for indicators, on/off - 3 flashes for lane change
P4 - Automatic door & tailgate locking, on/off - above approx 10mph
P5 - Separate driver door unlocking, on/off - One click opens all doors & boot (off)
P6 - Speed limiter warning, on/off : You'll find it very annoying...
P7 - Warning tones volume, 1-5 :Volume of the indicator ticking sound

Pull both stalks back until you hear a beep to store your settings.

Note - After 10 seconds with no input it will revert to the previous settings so don't take too long choosing.

This stores the settings for the key you are using, so you'll need to repeat for each key.
Also any radio stations stored will only show with the key that was in use at the time.

AFL (adaptive forward lighting)
If you have AFL you can make your headlights aim lower for driving on the other side (when abroad).
With the ignition switched off hold the main beam stalk towards you and switch on the ignition. After a few seconds you'll hear a tone and the headlight aim will move down.
To return to normal mode repeat the process...