All a Diesel needs is Oil change , Oil Filter and if possible change that air filter.
With every Oil change add in a bottle of Diesel Injector Cleaner.
Oil changes should be done at least every 7000-10000 kms. It prolongs the life of the motor.
Go to any BOSCH Service Center or reputable place to get the service done , there is no rocket science in changing oil.
Reset of service lights for oil , brakes etc can be done by yourself from onboard OBD.
Hope this helps
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