How does a traffic light change?

1 Answer

Answer :

I would suspect a laser is detecting a shorting of it's length by your car blocking it. Or it could be Elfin Magic.

Related questions

Description : How should pedestrians not walk on a 4 way walk traffic light?

Last Answer : You can walk diagonally as well.

Description : Have you ever seen a traffic light that works like this?

Last Answer : I can’t say I have. The traffic lights around here often have “left turn at any time with care” signs, so as long as it is safe you can turn.

Description : If you could make or change any traffic laws, what would you choose?

Last Answer : answer:@cheebdragon Your number 1 is a traffic rule in the left lane in America on the highways. I like your number 2. My law would be to make intersection cameras to catch people who run reds illegal. Those cameras do more harm than good.

Description : Is the hand on a pedestrian traffic signal sometimes doing anything like flashing? See detail.

Last Answer : The flashing hand means you are running out of time to clear the intersection if walking. It is the pedestrian’s “yellow light”.

Description : Why am I in very heavy traffic, and then it suddenly disappears?

Last Answer : I put it in the category of mysteries of the universe.

Description : Do you ever tailgate in traffic?

Last Answer : Only at very slow speeds, say if someone is doing 15 in a 30 zone. I usually never tailgate at speed. I typically leave a lot of room in front of me. Which also means a lot of idiots pull out in front of me.

Description : What do you think of this traffic control system?

Last Answer : Good idea. Many cities have been doing this for years but only professional drivers knew about it.

Description : Why do some drivers in the carpool lane driver slower than the traffic in the regular lanes?

Last Answer : Passive agression?

Description : Californians (and others) do traffic laws allow delivery drivers, repair persons, and others of their ilk to disobey traffic laws the rest of us have to follow?

Last Answer : If you ever get to watch the show Parking Wars on A&E, you’ll see that isn’t the case, at least in Philadelphia.

Description : In traffic when you honk your horn is it because you're thinking "I don't think you see me", or "hey you jackass!..."?

Last Answer : I… Honk to let people know I’m there usually. If I do get angry, I usually just tend to yell very loudly with the windows up so they can’t here me. Ahaha. I like to get mad, but road rage is no fun. It’s pointless in my eyes. So, just to let people know. :)

Description : When you're stuck in traffic and someone does something nice for you, do you put your hand up as a sign of thanks?

Last Answer : I always do something, because I get pissed when people don’t say thanks to me. I usually either wave or give them the peace sign. [me in my car giving a peace sign is kinda redundant]

Description : Any idea what could make my engine light go and come back on?

Last Answer : My Honda will do that if I don't tighten and then click the gas cap at least 3 times after fueling. I would take it to a Volkswagen dealership and let them diagnose it. If you need a ... expense of having your car towed. Maybe one of the more mechanical people on here will have more information.

Description : Why is this warning light showing up on my car?

Last Answer : It sounds like the sensor might be defective. I would take it to a Ford Dealership. They can properly determine what the problem is and fix it.

Description : My coolant/temperature light has been continuously flashing on my Chev, even though my coolant reservoir is full; what gives?

Last Answer : Bad thermostat.

Description : My Lexus ES 250 dashboard light has stopped working. I need help, what to do?

Last Answer : answer:I always like to think of a wire somewhere just quitting when something goes wrong with my car. You might be able to figure out what's wrong with one of those diagnostic computers. I was able to ... an Autozone last time I needed one, gratis. It might be as simple as a bug in the software.

Description : My Corolla's battery light won't turn off. Any idea why?

Last Answer : How's this? THE ALTERNATOR!!! And I won't charge you the $80. With an alternator, it's either giving out the wrong amperage, or the wrong voltage. You gotta change it. Good news: it's not that ... . Also, if you are running your car with a good battery, you are slowly killing it. Replace the alt.

Description : When I make sharp turns my oil light pops on, what could this mean?

Last Answer : Sounds like you have a slow leak in a gasket somewhere and your oil is escaping, or your oil filter is dirty and not picking up from the pump insode the pan.

Description : How to replace right head light of Nissan Sentra when "bright" head light still works?

Last Answer : answer:What year? That makes a huge difference. There are some years (basically any Sentra pre-2000, I believe) that have only one dual-element bulb per headlight; if either the high or low beam goes out, you replace the entire bulb. And on the first-gen (‘82–86) it is even more fun.

Description : Where could I buy a replacement license plate light cover for my 2001 Chevy Tahoe?

Last Answer : Probably @ Checkers, for one..

Description : Anybody know what a capricious oil light means?

Last Answer : Adequate or normal? Are you checking the oil when the car is off or when started?

Description : What should I do about my check-engine light?

Last Answer : If your gas mileage goes down precipitously, get the diagnostics. Otherwise, leave it until you need to pass your State Inspection. It will have to be fixed then in order for you to pass.

Description : My car's brake light came on, can I drive home?

Last Answer : I think you’re okay to drive home. Just go slowly. Maybe put on your emergency lights and stay in the slow lane. Admittedly, I am no expert on cars, but I have had this situation occur, with various reasons for the brake light coming on, depending on the make, model and year

Description : What does it mean when the "emissions light" comes on?

Last Answer : Crack the window and lay off the Budweiser.

Description : How do I go about replacing my break light?

Last Answer : Let me Google that for you.

Description : My car's charge battery light came on, any ideas?

Last Answer : The alternator Is probably not charging the battery properly.

Description : My car is showing a light on the dash that looks like a battery what is it?

Last Answer : the light htat looks like a battery is your alternator light. take your car to a local mechanic and have them test your alternator. If your alternator is bad it means that your car is running off of your battery power and will kill the battery very soon

Description : Car problem: Brake light staying on after I turn the car and lights off?

Last Answer : Get your car to a mechanic – you either have a bad brake light switch or some kind of short. If you don’t have jumper cables you may have to call a tow truck.

Description : Why would a car shut off while at a red light?

Last Answer : Kind of strange for automatic, if it happens again then I’d be concerned.

Description : how to clear "check engine light" on a vehicle?

Last Answer : You might have to have it reset at the dealership.

Description : Can you change the name on your car?

Last Answer : I’m pretty sure the car doesn’t care what her name is.

Description : How often should you change the oil in your car?

Last Answer : Most cars these days tell you when they want their oil changed; mine seems to be about every 10,000 miles. I know we used to figure every 3,000.

Description : Would it be cool if your car can change colors?

Last Answer : Oh heck no! I’d never find it in parking lots!

Description : How many hours of labor to change a power steering hose on a '98 Stratus?

Last Answer : answer:Go to automd.com and enter the details about your car and the work to be done, and your ZIP Code. (I had to select power steering pump replacement from the catalog; I didn't see anything ... (assuming shop labor costs of around $75 per hour, which is in the ballpark). Your mileage may vary.

Description : I am selling my car- do I need to change the title? (please see details)

Last Answer : If the title has been signed over to you, then it's yours and you can sell it. There should be enough boxes so that the title can change hands a number of times. Your husband sells the car to you, then ... the car is worth but you want to make sure all your ducks are in row when you go to sell it.

Description : Is it true in Tennessee a car buyer does not have 3 days to change his mind?

Last Answer : answer:There is not a 3 day cooling off period in Tennessee. As it states on the Tennessee State website, buyer’s remorse only covers solicitation. There is no right to cancel a contract.

Description : How do you change the distributor on a VK commodore?

Last Answer : answer:Is there a Chilton's manual for it? I think it safe to say that most of the people here have never seen a Holden since we have few Aussies. That means that you may have to rely on a ... this yourself!) and it's important not to mess up the firing order or (if applicable) the vacuum hoses.

Description : How hard is it to change your fuel filter? (I want to learn)

Last Answer : answer:It depends on the car. On most cars, it's in line with the fuel line and attaches to the firewall with a couple of screws. The problem is, engine bays on modern cars are really crammed ... car. Alldatadiy.com has online manuals for lots of cars, although a paper version might be more useful.

Description : How do you change the compression ratio in your car engine?

Last Answer : I'm assuming that you want to lower the compession ratio to allow the use of lower octane fuel. The easiest way is to make a spacer the same shape as the head gasket and install it ... Remember to allow for the thickness of the second gasket when calculating how thick the shim stock should be.

Description : Who should change the oil in my Prius?

Last Answer : hmmm you could call him and ask him? I’d imagine the oil change isn’t that different on the hybrid since its still a gas engine. You could probably youtube “oil change on a prius hybrid” and get a video on how to do it yourself.

Description : How do I change the clock on 2004 BMW Z4?

Last Answer : Read the manual

Description : Anyone know how to change brakes of a 2005 VW Jetta?

Last Answer : By the way, I need to change the front and rear brakes. We have only looked at the front ones so far.

Description : Is it acceptable for car maintenance workers to change your settings?

Last Answer : answer:If they change anything, as a courtesy they should put it back. I went to pick up my car once and the boss mechanic said his assistant was out test-driving it. Ten minutes later my car pulls up and this kid gets out with four bags of lunch from Carl’s Jr. My car smelled like fries for a week.

Description : Am I worrying too much or is my dad just ignorant?

Last Answer : My check engine light it flashing. Its not just a solid yellow light

Description : How do they do smog tests on cars?

Last Answer : Smog as in a combination of mist and fog?

Description : Do any Jellies know anyone at Hyundai Customer Care?

Last Answer : I don’t, but you could try your state insurance commissioner.

Description : Car-savvy jellies: what's the optimal $ cutoff for buying a used car?

Last Answer : I have bought a number of used cars. I would never buy any car that I knew needed work. I always buy a Toyota or Honda. They run forever.

Description : Would it help if all cars have the ability to communicate with nearby cars?

Last Answer : It sounds like a great idea, hypothetically, but would it take as much as six seconds before it started to be abused? I’d vote a firm no against any such addition to motor vehicle technology.

Description : How soon after an photo radar speeding ticket is registered before one can get a second ticket?

Last Answer : Just drive really, really fast, and try to make it in 4:55.

Description : When stranded in a car on the highway, in the winter, can you run out of gas idling?

Last Answer : Yes you can, sorry to say. Rule is don’t go anywhere in the winter with less than a half a tank of gas. Have blankets and snacks, maybe a couple bottles of water too!

Description : Cheapest option for moving my car to a diff. State...

Last Answer : You could drive it.