In Costa Rica you drive on the right side. Most cars have manual transmission (stick).
Unless otherwise posted, the speed limits for cars and motorcycles are as follows: 40 km/h (24 mph) in all built-up areas, 40-60 km/h (24-37 mph) on undivided highways, 80-100 km/h (49-62 mph) on motorways and 80-100 km/h (49-62 mph) on expressways.