Why are there so many warning lights on a car?
There are hundreds of different warning light symbols and signs in modern cars. Because of the advanced control systems, there are a lot of control units in a car. The control units need a way to inform the driver that there is a problem with the system and therefore we have a lot of different warning lights.
What makes a car fail the emission test?
Your car fails the emission test. High temperatures in the combustion chamber allow the excessive formation of oxides of nitrogen, which are released through the tailpipe. The Check Engine light, or Malfunction Indicator Light (MIL), illuminates on your dashboard. Troubleshooting: Is It the EGR Valve or Something Else?
What does Audi pre sense and warning tone mean?
The message Audi pre-sense and a warning tone will warn you about danger. Brakes: stop vehicle and check brake fluid level. Stop the vehicle and check the brake fluid level. Contact your Audi dealer for assistance. Brakes: malfunction! Please stop vehicle safely. If this message appears, there is a malfunction in the brake booster.
What does the check engine warning light mean?
Engine/Check Engine Warning Light. What it means: The Engine/ Check engine light means that there is a problem with your engine. This light appears when there is a trouble code stored in your engine control unit. You can find this sign in a lot of different shapes like “Check Engine” and other informational texts.
What to do when your car warning light is too hot?
When the engine temperature gauge or warning light indicates that your engine is too hot, you should turn off systems that place strain on the engine (such as air conditioning), pull over at the next opportunity, turn off the car, pop the hood and let the engine cool down. If possible, pick a spot in the shade.
What do the warning lights on the dashboard mean?
Dashboard warning lights come in a variety of colors. The most serious lights are red, and they typically indicate a major issue or component failure. Yellow or amber lights often indicate a lower-grade hazard or warning, such as the activation of the traction control system when driving on slippery roads.
What to do when the brake warning light is on?
When the brake warning light is active while you are driving and the parking brake is evidently not the cause, test your brakes by pressing down onto the pedal lightly. Do not panic if there is little or no response from the brakes, you can pump the brake lightly to try and build up some pressure.
The check engine light will usually come up in an orange, yellow or amber colour depending on the manufacturer, and a flashing light usually means there is a more serious issue. A flash when starting the car isn’t an issue, it’s just a check by the ECU to make sure the system is working. Can I just ignore a check engine warning light?
What do the symbols on my car headlights mean?
These symbols are usually blue, green, or yellow in colour. Indicator light means that the vehicles dipped beam is on. Click Indicator light means that there is an exterior light on the vehicle that is not functioning properly. Click Indicator light means your car’s high beam headlights are on, or if the high beam flash function is used. Click
What are the different types of dashboard warning lights?
1. Engine/Check Engine Warning Light 2. Service Engine Soon Warning Light 3. Battery / Alternator Charging Warning Sign 4. ABS / Brake Control Warning Light 5. Airbag/SRS Warning Dashboard Light 6. Washer Fluid Level Warning Sign 7. Traction Control (TCS) Dashboard Warning Light 8. TPMS (Tire Pressure Monitoring System) Warning Sign