If you get RM10.00 in your car door handle, use tissue paper or cloth
to remove it without opening it and if possible bag it. Drive away
Don't check the note until you are in the company of your friends or
relatives. The note could either contain powdered drugs to knock you
out or make you wonder if some guilty motorist compensating you for
a knock or scratch on your car, while you are still wondering, the
robber(s) will attack you as you check the car.
This had happened in Johor.