In this 1990s movie, this old “ambulance” is arguably one of the main characters:
Regular readers will of course notice that this isn’t an ambulance but an old Swiss parade float decked out with blinking lights. This becomes more obvious when we see it from another angle and notice that it has not one but three Swiss crosses on it:
And the word “ambulance” is clearly only slapped on there with rub-on transfer letters.
The real ambulances in the film correctly show the Rod of Asclepius in a Star of Life: