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  2. Headlight flashing - Wikipedia

    en.wikipedia.org/wiki/Headlight_flashing

    Headlight flashing might have come into more common use as a means of attempting driver-to-driver communication by the mid-1970s, [3] when cars began to come with headlight beam selectors located on the steering column—typically activated by pulling the turn signal stalk—rather than the previous foot-operated pushbutton switches.

  3. Variations in traffic light operation - Wikipedia

    en.wikipedia.org/wiki/Variations_in_traffic...

    Michigan uses a three-lamp traffic signal, with a red ball, yellow arrow, and green arrow; during the permissive turn, the red ball flashes. A flashing red ball signal on a "protected" left turn traffic signal indicates that left turning traffic may, after a full stop, complete their turn if and only if there is a long enough break in oncoming ...

  4. Traffic light - Wikipedia

    en.wikipedia.org/wiki/Traffic_light

    Where pedestrian signals are used, the timing of the "inivitation to cross" – the period where a steady walk signal shows – and clearance periods – time when the walk signal flashes or no signal is shown – need to be calculated. This is normally set against a design speed, e.g. 1.2 m/s (3.9 ft/s).

  5. Tell-tale (automotive) - Wikipedia

    en.wikipedia.org/wiki/Tell-tale_(automotive)

    A group of tell-tales showing lights for "brake fluid", "stop lamp" and "check engine" Graphical tell-talesA tell-tale, sometimes called an idiot light [1] or warning light, is an indicator of malfunction or operation of a system, indicated by a binary (on/off) illuminated light, symbol or text legend.

  6. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    The American auto industry voluntarily adopted amber front turn signals for most vehicles beginning in the 1963 model year, [67] [68] though the advent of amber signals was accompanied by legal stumbles in some states [69] [70] and front turn signals were still legally permitted to emit white light until FMVSS 108 took effect for the 1968 model ...

  7. Every Rush Album, Ranked - AOL

    www.aol.com/entertainment/every-rush-album...

    Canada’s greatest power trio was assembled slowly, one piece at a time. Toronto guitarist Alex Lifeson co-founded Rush as a teenager in 1968, and a few months later, invited a childhood friend ...

  8. 13 sneaky signs your testosterone is too low

    www.aol.com/13-sneaky-signs-testosterone-too...

    A drastic drop in testosterone can quickly turn your sex drive into a sex putter. "Study after study indicates that decreased libido is the symptom that is most indicative of testosterone ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!