Install a hidden connector in the glove box or somewhere else where people won't notice it, and use a different connector.
Fuse it with the weakest that works with the panel.
The normal Cigarette lighter is a really shoddy design. I wouldn't leave anything plugged in over time...
Have you got a Multispace? If so the one in the overhead locker is permanently live.
Security system should not fail safe!
Security system should fail dangerous!
Unfortunately not its a 1.9D van
If not the cigar lighter how about the accessory socket next to it?