Once your car reaches the range of 5000 miles or more, the light stays on while the vehicle is running; this should be treated as a final warning. While the light that requires maintenance doesn't necessarily mean there's something wrong with the car, you should take it seriously if it comes up. The light illuminates for about 3 seconds and then flashes for about 15 seconds every 4,500 miles after maintenance has been restored. In most cases, this just means that your vehicle may need to change the oil.
The light will turn on and stay on if the distance traveled exceeds 5000 miles after resetting maintenance data. My car is reaching the age where many lights come on and flash, especially the maintenance light. When I start the car, it will turn on and off for five seconds and then turn off again. I did some research in my handy owner's manual and found that the maintenance turn signal light is no cause for panic.
Basically, it just tells you that your car will need some type of service scheduled soon. This could be an oil change, a tune-up, or maybe you need a new timing belt. The light requiring maintenance means that the car must be brought for regular maintenance after a certain distance traveled.
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