The engine system service is a kind of service indicator. When the engine light turns on, the situation is related to the problem with the engine system. In this case, you must go to the repairer to check the actual issue and take service to make your vehicle better. The OBD II scanner can also help you prevent the problem, but do not try to prepare for the servicing if you are not an expert.
The Volvo engine does not use OBD II code; instead, they use some messages like “less than fine” or “very expensive.” When you get them, it will ensure that your vehicle’s engine is problematic. They are the sign of “Volvo Engine Service Required.” You need to go to service the engine. So, it is time to check and repair with an expert.
Meaning of the “Engine System Service Required in Volvo”
There are some engine-related error codes. When the trouble codes come to your OBD II scanner, the engine light automatically turns on. An engineer suggested setting the error codes as some compliments. The scanner now interprets the problem and results in “less than fine” or “very expensive.” There are Volvo diagnostic gears to check the error codes of language. The generic code readers for the Volvo engine system’s issues. They are not appropriate for decoding the codes of the other items.
What is Meant by The System Service Required Messages?
The system service required messages are the warning to take the vehicle to the repairer quickly. Then you have to diagnose and repair the problem with an expert car maintenance specialist. These messages are not similar to the OBD II codes. You will not understand the meaning of the messages without taking the vehicles to an expert repairman, a Volvo specialist.
Do you want to turn off the message without repairing the problematic parts?
You have an option, click the button in the bottom left of the speedometer and stop getting the notifications. You have to close all of the doors before doing this, and that is the position of one key. Position two is pressing the button and holding it down. After four seconds, you will get a message with a slight beep sound and ensure that all codes have been cleared.
Is The Message of Volvo Serious?
The messages of Volvo are the malfunctions or problematic situations related to your vehicles. It means that your engine is problematic, and it can be small or large. You can also ignore the issues and turn off the messages with the process mentioned above.
But, the ordinary matter is that you need to take the complicated system to an expert and check which part of the engine is affected. You will get the answer from the expert and take the initiative to repair it. The expert himself will tell you if there is a necessity to emergency repair the issue or not.
Resetting The Engine System Service on a Volvo XC910
Do you want to turn on the resetting system of the Volvo XC910? First, you have to hold the trip computer. It is essential when turning your key to position two. In the center arrow, you will notice three flush points to send the flush messages. When the third flush is completed, you have a message that the service light is reset. 
Resetting process of The Engine Service on A Volvo Xc90 2006
Suppose you can not start the engine of your vehicle quickly. You are holding down the READ button with the car running then the engine starts. But, it is abnormal for a car to start the engine after holding the switch. Now you are sure that you have to service the machine soon. It causes a strongly noticed event that will be clear to you. When the fog light turns on two times at once, you can easily understand that the system is problematic. The read button will also release twice in this challenging situation.
How Can You Reset The C30?
The maintenance light of the Volvo C30 is easy to reset. First, you have to turn on the ignition key. You have to turn on the key without starting the engine. Check if you find a push button called a “start” button. If you get the button in your car, press it. But, you have to push it without touching the brake pedal. After that, use a trip odometer button. Here you will select the T1 from the trip meter. Then press and hold the odometer reset button. Finally, you will turn the ignition to position II.
Conclusion
Unfortunately, you can not instantly get the result of problems like using OBD II codes. The engine system service required message will give you the information about any problematic situations of the Volvo engine. But, it shows the problem notifications which are unknown to you.
The Volvo engine system service requires messages explaining the Volvo engines’ issues. As you have no idea about the messages, you have to take the engine to the expert mechanics. Their diagnosis will determine the necessity of repairing your instrument. The repair condition will depend on whether the messages are serious or not. So, it is not a matter of being worried about the engine issue.