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Dashboard Indicator Lights

Dashboard Indicator Lights:

The instrument panel on your dashboard has multiple gauges and indicators. These may include the fuel gauge, speedometer, tachometer, oil pressure, and engine temperature. Most are self-explanatory– the speedometer measures your speed, etc. The one that may not be self-explanatory is the tachometer, which indicates engine speed in revolutions per minute (RPM). It often has a red zone which you should never
exceed.

Now we’ll discuss what these symbols mean. As always, a better resource to learn the meaning of each dashboard symbol for a specific vehicle is the owner’s manual for that vehicle. The ones that are included in each vehicle will vary by make and model.

Dashboard lights can be red, orange (or yellow) and blue. Generally when a red light comes on while driving, it means you should immediately pull over safely and call a tow truck. However there are some exceptions – some lights which are generally red can be yellow or orange, and some red lights can be fixed immediately (seat belt light – put your seat belt on, door ajar light – close all the doors). Orange or yellow lights generally indicate that there is a problem with your vehicle, but it is safe to drive to a repair facility or your home residence to investigate further. This also has some exceptions. It is always best to consult the owner’s manual for a particular vehicle.

The following are the general symbols:

Airbag Light

Airbag Light

Airbag Light or Supplemental Restraint Warning Light: Red, Orange or Yellow. Whenever this light illuminates the air bag system senses a problem, which could be a safety issue. It doesn’t necessarily mean that the airbags will not work. The airbags might or might not still deploy during an accident. The light means that there is a part of the airbag system that may not work.

 

Anti-Lock Brakes Light

Anti-Lock Brakes Light

Anti-Lock Brakes Light: Orange or yellow light. This indicates a failure in the anti-lock brake (ABS) system and anti-lock brakes are disabled. The purpose of the ABS is to allow steering control of a vehicle while braking and to avoid skidding during a panic stop. If this light is on, then normal conventional brake function will continue. If it’s on in the event of a panic stop then the vehicle will skid. Have the vehicle serviced.

Brake Light

Brake Light

Brake Light: Red light, immediately pull over safely and have the vehicle towed (or disengage the parking brake if applicable). This light indicates that there is something wrong with the brakes. There could be a low brake fluid level, there could be a hydraulic brake failure, or the parking brake is engaged.

 

Change Oil Soon

Change Oil Soon

Change Oil Soon: Orange or yellow light. This light indicates that routine oil change and maintenance is due. It’s based on revolutions of the crankshaft, which is even more accurate than basing routine oil changes on mileage.

 

 

Check Engine Light

Check Engine Light

 

 

 

 

Check Engine Light: Red or yellow light. There is a problem with the vehicle emissions and the vehicle’s computer will have diagnostic trouble codes (DTCs) which will be retrieved when the vehicle is inspected. The light may come on and then off. If there are any performance issues with the way the vehicle is driving, then pull over and have it towed. If the light comes on and stays on, or comes on and then flashes during acceleration, then immediately pull over safely and have it towed to a shop. Don’t confuse the check engine light with the “service vehicle soon” light below.

Door Ajar Indicator Light

Door Ajar Indicator Light

Door Ajar Indicator Light: Red light. One of the vehicle doors is open. Close the open door before proceeding to drive. There may also be a separate light for the trunk.

 

 

Glowplug Indicator Light

Glowplug Indicator Light

Glowplug Indicator Light: This light is only seen in vehicles with diesel engines. The glow plug is a device that is used to help get the diesel engine started.

 

 

High Beam Indicator or Brights

High Beam Indicator or Brights

High Beam Indicator or Brights. Usually blue, but can be red on older vehicles. This indicates that your brights are on.

 

 

 

Low Coolant Level Light:

Low Coolant Level Light:

 

 

 

 

Low Coolant Level Light: Red, Orange or yellow light. This light indicates that the engine coolant level is low, which could be due to a leak. It is still safe to drive as long as the engine temperature light is not on. In some vehicles the first symbol above, the thermometer symbol, can also be a temperature light. Some vehicles can have a blue thermometer symbol. Consult the owner’s manual for its description.

Low Fuel Light

Low Fuel Light

Low Fuel Light: Yellow or Orange. This light indicates that fuel is low. It could also be a simple round light that illuminates when the fuel gauge is nearing empty.

 

 

Low Oil Level Light

Low Oil Level Light

Low Oil Level Light: Yellow or Orange. The oil level is low. Refill the oil as soon as possible and bring the vehicle to a shop to see why it was low.

 

 

Low Oil Pressure or Engine Oil Pressure Light

Low Oil Pressure or Engine Oil Pressure Light

Low Oil Pressure or Engine Oil Pressure Light: Red light (immediately pull over safely). Once you pull over you could check your oil level and add oil if it’s low. If the light continues illuminated then you should have your vehicle towed to a facility. Catastrophic engine failure will occur if the oil pressure is low. Repairs for these damages can be very expensive.

 

 

Parking Brake Light

Parking Brake Light

Parking Brake Light: Red light. The parking brake is engaged or not fully released. Release it completely before driving.

 

 

 

Service Vehicle Soon

Service Vehicle Soon

Service Vehicle Soon: Yellow light. This light may be used in conjunction with other lights. Depending on which other lights are illuminated, there may be a problem with the anti-lock brakes (ABS), brake hydraulic system, traction control system (TCS), or the electronic suspension system. Don’t confuse with the “Service Engine Soon” light, which is one of the possible check engine lights shown above.

 

Temperature Light

Temperature Light

Temperature Light (or Hot Light). Red light (immediately pull over safely, turn off the engine, and have it towed). This light means engine temperature has exceeded maximum parameters. Severe engine failure will result if you continue to drive. For a few extra moments while you’re finding a safe place to pull over, you can turn on the heater to high, which dissipates heat from the engine. If the heater does not work, it is an indication that the coolant level is low, and that the vehicle should not be driven. The dashboard may also have a temperature gauge which has a thermometer symbol.

Throttle Control Warning Light

Throttle Control Warning Light

Throttle Control Warning Light: Yellow or orange. In some vehicles the throttle has an electronic control system. These lights indicate that there is a problem with the system. Have the vehicle serviced as soon as possible. In some makes and models the wrench light can be for other purposes. Be sure to consult the owner’s manual.

 

Tire Pressure Warning Light

Tire Pressure Warning Light

Tire Pressure Warning Light: Yellow or orange. This light indicates that one or more of the tires has fallen below 25% of the recommended pressure. Have the tires checked soon.

 

 

 

Turn Signals and Hazard Light Display

Turn Signals and Hazard Light Display

Turn Signals and Hazard Light Display: These will only illuminate when a turn signal (left or right) or the hazard lights (both simultaneously) are turned on. If one stays on instead of blinking in rhythm or blinks slower or quicker than usual then there is a problem. One of the bulbs may need to be replaced or there is something wrong with
the circuit.

 

Voltage Light

Voltage Light

 

 

 

 

Voltage Light. Red Light (pull over safely and get it towed). If this particular light illuminates while you’re on the freeway then you may be able to proceed to the next exit. This light indicates that voltage is below the minimum specification and your vehicle will stop running once the battery dies. Safely pulling over and having the vehicle towed is even more important at night since you’ll lose the use of your headlights, which tend to drain the battery even quicker. Some of the samples are yellow; in this case you should still treat it as a red light.

Seat Belt Light

Seat Belt Light

 

 

 

 

Seat Belt Light. Red light. This means that the driver and/or passenger do not have their seat belts fastened. Put on your seatbelts before continuing to drive. There is a reason why they show videos of people in car accidents to Drivers Ed students. They want you to understand that when you get behind the wheel you’re potentially putting people in danger. Ideally, seat belts would be more like the harnesses used in roller coasters, which include two shoulder straps and a middle fastening device at the chest. The cross-over shoulder strap isn’t very effective in comparison. It is designed that way for commercial purposes and to account for common human behavior. It’s easier and quicker to have one buckle where the belt can be pulled over and fastened in one quick motion while the person is just getting into the car. While the conventional seat belt isn’t 100% efficient, it is potentially the most important safety feature of the vehicle because it keeps the body harnessed and kept in the seat. Wear your seat belt!

Traction Control Light or Low Track Light

Traction Control Light or Low Track Light

 

 

 

 

Traction Control Light or Low Track Light: Yellow, orange or blue light. This indicates drive wheel speed is higher than the coasting wheel speed. For example, if you have front wheel drive, then the front wheel speed is higher than the rear wheel speed. This can be useful on ice, dirt or any low-traction condition. Be careful while driving in these conditions, especially when turning.

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