Final answer:
When parking on the side of the road, you should park on the right side, facing the direction of traffic, with the engine off and the keys out of the ignition.
Step-by-step explanation:
When parking on the side of the road, you should park on the right side of the road, facing the direction of traffic. This allows for better visibility and safety when pulling out onto the road. The engine should be turned off to conserve fuel, reduce emissions, and prevent unnecessary noise pollution. The keys should be taken out of the ignition to prevent theft or accidental starting of the vehicle.