I've got a few questions too!
First, about the radiator. No way I am gona let a road side mechanic even come close to it so, how am I suppose to get the web cleaned? Air blow it? Wash it? Any advice? And from where?
Second, when you have drained radiator and coolant box both, what to do? fill the radiator with water and the coolant box with coolant or fill both with coolant? Also, what coolant would you advice?
Third, I have noticed that you do not need to press the gear shift button while driving on D and shifting to N, 2 or L. It's only needed when you need to pass the "R" geat. Someone recenrly told me that it's a "bad habbit" to press the button if you are not crossing the R gear as the gear shift button is there ONLY when you need to pass through R gear or to get to the R gear as he also said that it's a safety method to make sure you don't get to the Reverse mode while drivint the car.
Is it okay to not press the button and change the gear from D to 2 or D to N or D to L and vice versa.
Fourth, Can you shift from D to N and vice versa while you are driving your car? As in when the car is in motion. Would it hurt the transmission, engine?