Engine is making a ticking noise when cold

Hi, thank you for your advice, I also think it is the lifters or timing chain tension er. Going into dealers again tomorrow for the second time. Hope they dont say its normal for them cars.
Will post update:

Had my motor in for three days, don't know what is wrong with it, (which is rubbish) So now I have to go down the line of contacting kia with all doc, to see what happens, what a fantastic warranty

Letter from the dealers about annoying ticking noise:
We at Cockram Kia have inspected your Kia Rio for the ticking noise after cold engine start up and after testing several similar Kia vehicles of the same model variant find that this is a characteristic within this model variant rather than a individual vehicle fault.

We are satisfied that no mechanical fault exists with your Kia vehicle and we consider the condition complained of as a characteristic of the model variant.

Your vehicle is covered by a 5 year/ 100km warranty and we will stand by the product should any engine failure occur [provided all maintenance requirements have been completed as outline by the manufacture].

Any problems please feel free to contact me

I had a ticking problem in my engine that was real loud. The dealership recommended a tear down to find source of noise. The service manager told me about a kerosine flush as he believed the lifters were sticking becuase of sludge.

I did the kerosine flush at another mechanics, the noise was still there and the mechanic told me the motor was bad. I took it home and only drove it about 3 miles a day for a week. I took it to another mechanic about a week later to get some info on the motor. On the way there the car drove normal and the ticking noise was gone. The mechanic told me it sounded completly normal. I called the service manager at Kia and he told me to do another oil change to make sure all the kerosine was out. I did that and used a high grade syntheic oil. Its only been about 70 miles but the car has been good so far. Should I worry about anymore after affects or drive the car as normal and keep up with oil changes?

2005 kia rio making fast ticking noise in reverse
not low on oil but keep seeing oil on ground when raining

First off your going to have to identify what is leaking, if it is oil, the leak needs to be found and repaired, Second, the ticking noise would be hard to identify over the computer, unless you have pinpointed the area it is coming from, My best advice would be to take it in to a repair shop and have it looked at.