Fahrzeug mit einem Fahrzeugsitz

The invention relates to a vehicle (F) with a vehicle seat (1), comprising a backrest (1.1) and a seat cushion (1.2) which forms a seat surface. According to the invention, - at least one air cushion (2) with at least one air chamber (2.1), which can be filled with gas and which can be emptied, is arranged in at least one lateral region of the backrest (1.1) in order to form an armrest (A), and - the at least one air chamber (2.1) has at least one additional air chamber section, which is separated from the air chamber in a normal operation, is not loaded, and is fluidically coupled to at least one gas generator, and/or - the air cushion (2) has at least one additional air chamber (2.2), which is fluidically coupled to the at least one gas generator and which is separated from the air chamber (2.1) at least in a normal operation, for loading in the event of a collision of the vehicle (F), wherein - the air chamber section and/or the additional air chamber (2.2) is deployed at least in some sections between an occupant located on the vehicle seat (1) and a trim part of the vehicle (F) and/or between the occupant and an additional occupant by being loaded with a gas of the at least one gas generator.