Forrest Gump was O'Donnell's affectionate nickname when he played for Celtic, in honour of his tireless running - a characteristic of the film's main character, played by Tom Hanks.

BBC: Farewell Uncle Phil.

While the driving lights are the first use of a laser beam reflected off a mirror, the daytime running lamps, with their characteristic "torch" effect, and the indicator lights use LEDs.

ENGADGET: Mercedes-Benz GLA concept puts laser projectors in headlights, redefines SUV