Car lights seem to be a testbed for innovation and experimentation: Similar to the self dimming Triumph indicators, Audi DRLs dim when the indicators are flashing, to aid visibility - a very sensible idea where DRLs are so close to the indicators. There is not a lot of "standardisation" with DRLs, as some DRLs are switched off when dipped beams are on, but most don't. I wonder where it will all end!
US-spec "side markers" (orange sidelights on the sides of the vehicle) are still quite rare, but buses, lorries and a lot of Volvos have them for some reason. Rolls Royces and Bentleys used to have white at the front and red at the rear, which never caught on with other makes.
BMWs have taken the "cornering lights" one stage further, with twin filament front cornering/fog lights, which throw a secondary main beam around a corner. Useful for the drivers who, ahem, "forget" to use their indicators and gives wayward pedestrians a sporting chance in the dark.
Not exactly a unique feature, but the LHS or RHS-only sidelight ("parking light") indicator-operated feature once universal in German cars (and Skodas!) seems to come and go. Some Fords and Opels have them fitted to export models but most other German makes all seem to have them. My (Spanish-market) German-built Focus estate doesn't have the feature, but a previous Vectra did.
And it's a long time since I last saw headlamp wipers. Renault "TX" and "GTX" models of old and the Swedes and, once again Rolls Royce - very aristocratic brushes rather than wiper blades IIRC. Strange how what is a safety feature in Nordic countries (along with heated seats) become a "luxury" feature in other markets!
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