noun
vehicle
B1
Fahrzeug means 'vehicle' — any means of transport (car, truck). It's a neuter noun (das Fahrzeug) with plural Fahrzeuge. Genitive often des Fahrzeugs; dative plural den Fahrzeugen. No special prepositions or irregular plural. Used broadly for motorized and non-motorized transport, common in technical contexts.
Examples
Die Feuerwehr rückte aus, weil ein Fahrzeug in Brand geriet, und sie löschte das Feuer schnell.
The fire brigade set out because a vehicle caught fire, and they extinguished the blaze quickly.
Ich habe ein Fahrzeug.
I have a vehicle.
Das Fahrzeug parkte vor dem Haus.
The vehicle was parked in front of the house.
Details
Mnemonics
picture a generic vehicle silhouette on a traffic sign
sounds like 'far-zoom' — imagine a vehicle zooming far away
das (neuter) — remember 'das Fahrzeug' by thinking of 'das' as the little label on objects
Notes
A general term for any means of transport. In everyday speech 'Auto' is more common for 'car'.