Re: My bitter experience owning a 2024 Kia Seltos 1.5L DCT GTX Plus It is with a great deal of amusement that I read all these posts justifying regular oil changes at reduced intervals and patting each other on the back. I have nothing against these practices but as an engineer with a few decades of practice and a certain degree of hands on experience with engines/machinery of all hues and sizes, I would like to state the following:-
1. First oil change at a reduced interval - this is a legacy of old engines with crude manufacturing methods and even worse/primitive materials. This is not really needed in the 21st century. However, nothing wrong with it as most of us believe in being better safe than sorry.
2. Manufacturers should recommend higher frequency of oil change - as false as it gets. Manufacturers are already laughing their way to the bank with these high frequency oil changes as they ensure that an entire service is scheduled around this. Any half decent oil (including mineral oil) of the correct grade will last you for 10,000km even in our conditions. Anything more is overkill.
3. Manufacturers deliberately prescribe thinner grade oil rather than a thicker one to reduce marketed cost/km - this is an absolutely ridiculous statement. It is strongly recommended not to deviate from the oem grade of oil as these are not prescribed lightly. Using xW40 instead of xW20 could, in certain cases, cause lubricant film failure. Just for info, Maruti also recommends 0W20. The one time you could change the grade of oil is if you see yourself operating the vehicle for prolonged periods in conditions outside the prescribed operating envelope stated in your manual. e.g. If you were to operate in sub zero for over say 6 months, you could consider changing from 10w30 to 0w30 and similarly to 10w40 from 0w30 if you are going to be in a high temperature zone for a longish time. Even here, a majority of the engine manuals clearly state what’s advisable and what’s not.
4. Manufacturers just want to ensure incident free operation till warranty period - I understand and sympathise that one is disappointed with the ASS but cannot comprehend that you actually believe in this statement. Can you imagine the brand value then? How do you think they’ll differentiate between a standard 2 year warranty and an extended 5/6/7 year warranty? This has to be the surest way to kill your product and the company. Would anyone even buy any product from such a company? Let’s use some degree of discretion before making sweeping statements on a forum of this stature please.
While it’s ok to follow reduced change intervals for oil change from a peace of mind point of view, it does not really serve a purpose. There’s no end to it also then.
Strong suggestion - please read through your own manual rather than rely on anecdotal/ hearsay/ WhatsApp knowledge (including this post). You could start off by reading about the nomenclature of oil first which is very simple to understand. Also, you will learn to look past the marketing fluff yourself with a little bit of experience.
Wishing you a quick resolution to your complaints.
Last edited by handsofsteel : 7th March 2025 at 06:58.
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