The Senseless Ambiguity of North American Turn Signals
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Further reading 1
Caption notes
With a shared red lamp, one failed bulb can remove both a brake indication and a turn indication. The presenter compares what two designs display when the hazards and brakes are on together, revealing the extra state a separate channel can convey.
Archived captions (transcription method unspecified) ↗Original passages · 2
if you have a brake light go out, now you’ve also lost a turn signal!the hazards can be on and the brake lights work completely normally.