Public Charging Dash Cards
Here are links to some EV charging placards to print out and place on the dash of your car while plugged into a public charging station. It allows you to communicate with other plug-in electric car drivers when it is OK to unplug your car and how to contact you.
For those concerned about leaving your phone number, you can sign up for Google Voice.
PlugInSites Need to Charge? Card
Electric Vehicle Courtesy Charging Protocol Placard (PDF)
Instructions and Overview