If something bad happens to your parked car or your car is blocking the way and you are not around, people can message you one the spot without knowing your number. You can read their message right away on your phone screen, if you choose to receive notifications in case of emergency.Whether people have our app installed or not, they still can scan the QR code on the car glass and instantly start messaging the the driver.How to use the app?There is a unique QR code for anyone who download the app. Go to the app, in the page "Vehicle Owners" there is a QR code, print it for free and install it on your car glass, now people can scan the code and will be able to message you in case of emergency. Alternatively for your convenience you can also buy one of our QR code stickers and register it to your account by scanning it, then start using sticker right away. For buying option you can get more info at our Instagram page @ParkedChatSo you have two options:1. Free printable QR code in your account to download and use.2. Buying one of our ready to use QR code stickers, scan to register it to your account and start using it.Note: the difference between to options is that if you print the free version, its only a black and white QR code, there is no information around it like "contact driver", you may also need to print it as a sticker material. So all that may become troublesome and time consuming for some people, but our stickers are already well designed with text and everything for your convenience..Additionally you can add a temporary user to your account, lets say your spouse borrow your car for today you can add them to your account so that they also can receive and interact with your incoming messages, you can remove the user anytime you want. Enjoy!