No no no no no.
Just no.
As it is, the trucks are fine. There is no need to ID lock them, there is no need to add fancy things to it. Its working as intended, a logistics/para-ambulance platform.
Like all things in life there are always going to be retarded people using it to joy ride. So what? Even if they did, nobody is affected by it except Marines, who at the worse, lose an Engineer/SL or whoever has a drive skill to drive it instead of acting out their role.
Immersion broken?
Tought titty. It's CM 13, immersions always going to be second place.