Much of Safety is how much you pay attention to your surroundings...
Here is a link that talks about your State of mind & your State of Awareness relating to your safety -
States of Awareness, the Cooper Color Codes
http://www.teddytactical.com/SharpenBladeArticle/4_States%20of%20Awareness.htm
If you pay attention, this is the Condition that the majority of people are in -
CONDITION WHITE- White is the lowest level on the escalator. In Condition White one is unaware, not alert, oblivious. This state can be characterized as "daydreaming" or "preoccupied". People in White tend to walk around with their heads down, as if watching their own feet. They do not notice the impending danger until it literally has them by the throat.
Talking on there phones, Walking & Texting, Walking & Reading, ect.
You can literally just stand there and see all the future victims of a crime.
If you read the whole link, you will see where you fall and it may help you raise your situational awareness and thus help to reduce your viability as a target.
Will this stop a thief from breaking into your RV/Car? No - but it may keep you from parking somewhere that this will happen.