Anyone know what this plug is for under cup holder ?

[leeflavell]

After pulling this out whilst drying my carpets out I have found this blue plug not plugged into to anything and wanted to know what it's for. Anyone have an idea ? Thanks

 

[leeflavell]

Sorry image didn't attach on original post

 

[JamesBryan]

Into the airbag ecu possibly?

 

[H2MRK]

Cigarette lighter/12v socket

 

[leeflavell]

Cigarette lighter/12v socket

Brilliant thanks