You may have experienced the frustration of receiving a parking fine or finding your car towed away(拖走)after leaving it parked for a couple of minutes． But now a high—tech car sticker could help motorists avoid such a situation—by allowing a traffic warden(管理员)to get in touch with them．Car owners can buy the sticker and place it inside their car’s windscreen， having set it up with vital information，such as their phone number．The slim design will include a sensor that will send a text message warning a driver about a coming fine when touched by a tr