How often should spark plugs be replaced?

How often should the battery of the 2018 Dongfeng Renault Koleos be replaced?

[Prayers] How often should I replace the car battery???

How often should brake pads be replaced?

How is the performance of using NGK spark plugs in the Yizhi?

I want to replace the spark plugs myself, but I'm not sure where they are located. How do I replace them?

How often should a car battery be replaced?

What should I pay attention to when maintaining a Vitara 1.4T automatic? Which brand of engine oil and filter is better? How often should the air conditioning filter be replaced? At how many kilometers should the original spark plugs and brake fluid be replaced, and what brand of battery is recommended to be replaced with?

How often should the spark plugs in the 2019 GS5 be replaced? It's approaching 70,000 kilometers and hasn't been changed yet.

Is there any oil seeping into the cylinder from the spark plug? Should this be addressed?

Hey everyone, at how many kilometers did you replace your car's original spark plugs? I'm at 80,000 km now, and the car starts up instantly. Not sure if I should replace them.