Question Of The Day: Why Are Automakers Still Allowed to Use Combination Turn Signal Brake Lights?

Doug DeMuro
by Doug DeMuro

In the past, I’ve written these “Question of the Day” columns with an open-ended question in mind; a question that invites serious participation from you, the highly educated TTAC reader. Well, today, I’m going to try a different approach: I’m just going to tell you what I think, and hope you’ll agree with me. The topic is combination turn signal-brake lights, which are the stupidest thing that currently exists in the auto industry.

Yes, folks, that’s right: stupider, even, than the Jeep Compass.

For those of you who aren’t exactly sure what I’m talking about, allow me to explain myself. I’ll use the Chrysler 300 as an example, although it certainly isn’t the only offender.

Here’s what happens: you get behind a Chrysler 300, and it’s slowing down, so the brake lights come on. Suddenly, the driver – who is undoubtedly trying to locate the Uber rider who hailed him – puts on the turn signal to make a sharp right turn. And what happens? The right brake light goes away entirely.

The reason for this is that the Chrysler 300 still uses rear lamps that combine the brake light and the turn signal. So if you’re in a 300 and you have your foot on the brake and your right turn signal on, you only have one working brake light – on the left side – plus the third brake light in the center. On the right, your brake light is blinking. I have no idea if this is a cost-cutting measure or a retro styling cue, but by God it sure reminds me of cars from the 1970s.

This especially came to my attention the other day because we got this big snowstorm here in Philadelphia, and I got up behind a guy in a late-1990s Buick Century who had his hazard lights on. Now, I’m not totally opposed to hazard lights in a severe snowstorm, because they create an extra layer of visibility for other drivers. But there was a problem with this particular hazard light decision. And that problem was? You guessed it: his brake lights were also his turn signals!!!

So this guy is driving down the street in a major snowstorm with his turn signals blinking and absolutely no brake lights at all! And the worst part is, he has done this as a safety precaution! He truly believes he is creating more visibility for himself and his Buick Century. When in reality, nobody behind him has any idea whether he’s accelerating, or slamming on his brakes, or merely confused about which direction he wants to turn.

The interesting thing about all this is that these brake light-turn signal combinations aren’t outlawed. If you’re an automaker, not only does it not matter if your turn signal is orange or red, but it doesn’t even matter if your turn signal reduces the amount of brake light power on the back of your car by one-third. Mind you, this regulatory decision comes to you from a federal government who dictates that a Lotus Elise must have an emergency inside trunk latch, even though its cargo area can barely fit a power drill.

Now, I get why this brake-light-turn-signal combo platter went on in the 1960s and 1970s. It made cars simpler, it made them cheaper, and it made them easier to engineer and build. Plus, back in the 1970s, nobody cared about safety. Back in the 1970s, if you ran out of cereal, you’d just reach into your wall and eat some asbestos. That’s how things were back then.

But in modern times – in a world where every car has a backup camera, and side airbags, and front airbags, and knee airbags, and stability control, and traction control, and a system that will unlock your doors using a signal from space – I must ask how the hell it’s possible that we’re allowing brake-light-turn-signal combinations to run rampant on our society.

And so, today’s question is this: how the hell are these brake-light-turn-signal combinations still legal? Why doesn’t somebody do anything about it? For the love of God, can’t we put a stop to it? And, most importantly: what does asbestos taste like?

Doug DeMuro
Doug DeMuro

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  • Dynasty Dynasty on Mar 08, 2015

    Lot's of passion for brake lights and turn signals here. I can honestly say red, amber, brake light/turn signal lamp combo.. whatever, I've never had a hard time telling if someone was intending to turn, stop, or not. Assuming everything was working as designed and the driver had their signal activated.

  • Thetallguy Thetallguy on Mar 11, 2015

    My Park Avenue's lights turn on automatically whenever I start the car at dusk or later and it also has rain sensing wipers. Do the brake lights work independently of the 4 way flashers? I have no idea. Yesterday, I too almost rammed a car that only had one working 3rd brake light bulb! Check your brake lights people!

  • EBFlex Demand is so high for EVs they are having to lay people off. Layoffs are the ultimate sign of an rapidly expanding market.
  • Thomas I thought about buying an EV, but the more I learned about them, the less I wanted one. Maybe I'll reconsider in 5 or 10 years if technology improves. I don't think EVs are good enough yet for my use case. Pricing and infrastructure needs to improve too.
  • Thomas My quattro Audi came with summer tires from the factory. I'd never put anything but summer tires on it because of the incredible performance. All seasons are a compromise tire and I'm not a compromise kind of guy.
  • EBFlex What Ford needs to do is get the quality fixed. These are low quality junk just like the rest of the lineup.
  • AZFelix UCHOTD (Used Corporate Headquarters of the Day):Loaded 1977 model with all the options including tinted glass windows, People [s]Mugger[/s] Mover stop, and a rotating restaurant. A/C blows cold and it has an aftermarket Muzak stereo system. Current company ran okay when it was parked here. Minor dents and scrapes but no known major structural or accident damage. Used for street track racing in the 80s and 90s. Needs some cosmetic work and atrium plants need weeding & watering – I have the tools and fertilizer but haven’t gotten around to doing the work myself. Rare one of a kind design. No trades or low ball offers – I know what I got.
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