Although the movie was shot in a real ambulance, most of the time it was a studio location in front of a green screen. More than 450 shots were green screen and an additional 100 shots had other visual effects.
The film was shot in a real ambulance. The day before shooting it was out on the streets saving lives.
The real ambulance used in the movie broke two transmissions during the stunt scenes.
Remade as the American film "Ambulance" (2022). Writers Laurits Munch-Petersen and Lars Andreas Pedersen were joined by Chris Fedak for the new screenplay, while Michael Bay directed.