Just follow the easy steps. Check the display screen for enforcement hours and any other special messages The smart parking meters except coins, or credit and debit cards. To use the coins insert the correct amount for the time required. For credit or debit card, insert the card and quickly remove it. Use the blue button to add more time or less. Then click the green ok button. As a, courtesy the city offers the first five minutes for free, which is great for short errands. Just hit the green ok button. Quick, simple and helpful.