With the caveat that it should be one-way communication only (or we know for sure it will include tracking in 3...2...1...) this could be a good idea if it were integrated into the car. It takes seconds to swap this out with the metal plate for the car next to it.
Comments
With the caveat that it should be one-way communication only (or we know for sure it will include tracking in 3...2...1...) this could be a good idea if it were integrated into the car. It takes seconds to swap this out with the metal plate for the car next to it.