grim-bob wrote:What I would recommend and what I believe most here do is to disarm in the vehicle and put it in a locked console or lockable gun box cabled to the seat or something else immovable.
For this exact reason, I have a nanovault that is kept under the passenger seat of my car with the cable wrapped around the seat base. A worthy ~$30 investment for added privacy, security and convenience. IMO, going to the trunk every time would eventually become a PITA and might cause you to quit carrying all together.