Should I clean the carbon deposits in my Kia Sportage manual transmission after 90,000 kilometers?

How many kilometers can a Kia Sportage 2.0 manual drive on a full tank of fuel?

Should I clean the carbon deposits in my Kia Sportage manual transmission after 90,000 kilometers?

Has anyone used fuel additives for carbon deposit cleaning? Do they work well?

What can be used to clean the yellowing edges of the headlight cover on a 2013 Kia Sportage?

Fellow car owners, how do you clean carbon deposits from your car? Which brand of fuel additive works well? Any recommendations?

Does adding fuel additives really help clean carbon deposits? Is it a waste of money or truly effective? Let's discuss, fellow car enthusiasts.

How to Clean Carbon Deposits in Vitara

Does the 2017 Kia Sportage have an automatic transmission?

For the 2012 Kia Sportage, which one has better fuel economy, the manual or automatic transmission?

I want to buy an Alto, should I go for a manual or automatic transmission? Locally, there's a 2013 model that's priced around 13,000 and has run about 80,000-90,000 kilometers. Is it worth buying if it's a manual transmission?