Alighting from a vehicle (train, bus, car); getting off. Commonly used in announcements and daily speech (synonymous with 下車).
次の駅で降車しますので、ドアにご注意ください。
I'll get off at the next station, so please be careful of the doors.
降車口は前方にあります。
The exit for getting off is at the front.
降車の際は足元に注意してください。
Please watch your step when getting off.