The fine and additional charges will increase considerably. A damage report must always be completed and signed, regardless to reason. The report shall be handed in at time of check in. The obligatory direction of traffic is on the right side of the road. You are obliged by law to use headlights at all times of the day.
Norwegian law forbid any driving under the influence of alcohol.
Please comply with the local parking regulations. Be aware of automatic traffic control. Every second car has the right of way. Some medicines are to be avoided if you intend to drive. They are marked with a red triangle if bought in Norway.