Requirements
To rent a car, you must be at least 21 years old (age may vary by car category) and have held your license for 1 year. Drivers under the age of 25 may incur a young driver surcharge. Some suppliers have a maximum age limit of 80 years old. Seatbelts are mandatory. Infant seats are mandatory for children up to age 4. Child seats are required for children aged 4 to 6. Headlights need to be on at all times.

Parking
In Copenhagen, you will need to display a parking disc on your dashboard, good for 1 hour, when meters are not available. The discs are available at banks, gas stations, and tourist offices. Some towns have parking meters that allow 3 hours of parking.

Speed Limits
Speed limits in Denmark are as follows: City - 31mph/50kph, Open Roads - 49mph/80kph, Highways - 68mph/110kph.

Tolls
E20 - the motorway-bridge across Storebælt (tolls).
E20 - the motorway-bridge across Øresund.

Gas
Gas stations are found about every 30mi/50km along the motorways. Most of these stations have automatic payment machines that can be used when the station is closed.