What Does The Service Stop/Start System Warning Light Mean In Car?

When any notification appears on your car’s dash, it can cause a fair amount of stress. Especially if you don’t know how serious the alert may be. What if the service stop/start system warning light system flashes on the dashboard? Nothing can be more frustrating than that.

What Does The Service Stop/Start System Warning Light Mean?

Many modern vehicles are equipped with automatic start-stop systems that are designed to save fuel in stop-and-go city driving. These systems can shut the engine off when the vehicle is slowing to a stop and quickly turn the engine back on once the brake pedal is released. This reduces the amount of time the engine is idling when sitting in traffic.

The engine start-stop light is typically an “A” surrounded by a circular arrow, and it can indicate a few different things. It may illuminate in a green or blue color to show that the system is active, or in an amber color to show that the system has been disabled. An exclamation point next to this icon usually indicates a fault with the start-stop system.

How Does Automatic Start-Stop Systems Works In Car?

In recent models, the engine even switches off if the speed falls below a certain value. The primary source of power for all systems is switched off. The power continues to supply to all of the electrical consumers and assistants. This is provided by the battery of the vehicle. The automatic start-stop system restarts the engine as soon as the clutch is actuated. For vehicles with automatic or dual-clutch transmissions, the automatic start-stop system responds to the actuation of the brake alone. The automatic start-stop system stops the engine. The automatic system restarts the engine again by releasing the brakes.

What Are The Causes Of Auto Start Warning Light Malfunction?

If your car’s engine light comes on, the first thing you need to do is check the owner’s manual for a list of possible malfunctions. The owner’s manual will provide specific instructions as to what to do in order to identify the cause of the problem.

Malfunctioning Auto Start Warning Light. The most common causes for a malfunctioning Auto Start Warning Light are:

1. Underhood fuses and circuit breakers

2. Engine coolant temperature sensor

3. Fuel injector

4. Ignition coil

If you can’t find a solution from there, then it is best to take your car to an auto repair shop for professional help.

Can I Drive With An Auto Start-Stop Warning Light?

It is very important to know the safety as well as the danger that can be involved in driving when the auto start-stop warning light is on. It is equally good to avoid the danger by making use of the precautionary measures. So if you notice such a warning light signal, then you need to stop over and cross for any issue.

Signs Of Auto Start-Stop Warning Light Sensor?

Actually, from the above, the light is in form of an exclamation point which always shows the indication of a problem with the system. While the image shows the symbol of A located inside the vehicle and the outside symbol showing exclamation points.

In this case, if the light stays illuminated after the starting of the vehicle, it indicates that there is a failure of the power steering system. Also, the car may not be switched off and the solution is to remove the ignition key for a few seconds.

Also, you should try the process again by switching off the engine of the motor vehicle after some tomes. If the light doesn’t go out of the system as expected, care must be taken as assistance is actually needed.

How Much Does It Cost To Fix This Warning Light Issue?

The service stop/start system warning light depicts if there is a problem or shows the system is off or on. There is a circle-shaped arrow which is a standard icon that indicates the start or stop of the system.

Some garages of the vehicle may actually block the process that is called forced regeneration. This usually costs around the worth of $125 but even though it is not a hundred percent guaranteed in fixing.

Auto Start-Stop Warning Light Quick Fix?

The service stop/start system warning light and its system are not as potent in damaging as cold start but pose threat. The start-stop system always works not only when the engine is operating at a higher temperature.

This problem can occur when the outside temperature of the vehicle is just too low for the fan system to work on. If the battery needs too much power to supply the fan of the vehicle, it may cause the start-stop function to stop working.

In this case, if you are driving in your vehicle and it happens that the vehicle comes to a complete stop as the case may be. The stop-start technology may turn off the engine of the vehicle because it needed more of an auto start-stop system.

Under the normal condition of driving the vehicle, when you take your foot out of the braking system of the vehicle, the engine will start automatically. In that case, you are good to go with the warning light.


We hope the above-mentioned information about the service stop/start system warning light will be helpful to all the readers. If anybody’s doubts persist feel free to comment in the comment section below. We’ll definitely try to solve your doubts as soon as possible.

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