
Car washes are often susceptible to being stolen from car wash change machine hacks.
Ways of how to trick a car wash change machine could even be found on the internet. Videos of how to hack self-service car wash machines for free car washes have even gone viral. And people would even steal from a car wash coin vault.
But stealing, be it in a car wash or elsewhere, is an unadvisable action, bad action, as it would be getting free stuff at the expense of others. Thankfully, some hacks don’t work on all car washes.

You can check your change machines and car wash machines if any hacks would work on them. If any of the hacks did, you could resolve them by applying more strict security, being more alert, or switching systems if necessary.
It would also help to hide your car wash coin vault keys in a secure place or change the locks, as it’s possible that someone can get access to your keys or another carwash can have the duplicate keys.
Here’re some methods they often use to get away without paying for a car wash.

People can break into car wash change machine to get money using a paper bill. They’d take a paper bill they have and use it on the change machine to double the amount of the paper bill in change.
This trick only works in the type of change machine where a paper bill would be slid in a slot lengthwise. It doesn’t work in change machines that have a tray in which a paper bill would be placed, and then the tray would be slid in afterward.
How this trick is done is demonstrated below. Let’s say they use a $5 bill.
People would also take advantage of foil’s reflectiveness to hack a car wash change machine. With the foil’s reflectiveness, people would trick a change machine’s sensors and make it dispense change. Below is how:
This hack involves creating counterfeit money, which is a major federal offense. It’s done by photocopying a paper bill and then using it on the change machine.

In relation to ripping off car washes, there’s this car wash hack that self-service car wash owners must beware of, as it’s actually popular and went viral on TikTok. In this method, a car wash hack magnet would be used to rip off the car wash machine.
Thankfully, this hack doesn’t work on all self-service car wash machines. Older self-service car wash machines are the ones that are susceptible to this hack.
But even if the newer self-service car wash machines could not be ripped off with this hack, there would be the risk of them getting broken. In the case that it gets broken, you can find the violator.
There is also the possibility of a thief having a collection of car wash coin vault keys that they would use to break into car wash coin vaults to steal money. It could be an inside job or someone with a collection of keys from another car wash. Below is how the thief would do it:
Now that you are aware of the tricks people would do on how to trick a car wash change machine, get free credit from a self-service car wash, and steal money from a coin vault, remember to take precautionary measures to prevent such tricks from being done to your car wash.
Also, it would be great and much appreciated if you help us spread this information to help other car wash owners safeguard their business.