Why does the stop/start not work on our car?

This stop/start function on our Honda Jazz 2016 does not operate when when stationary, possibly due to age of battery. Is there any significant difference in simply switching off and on after being halted...

What should I replace on my four year old car to keep it reliable?

I have recently bought a 2020 Ford Focus 1.5 diesel in good condition with 79000 miles on the clock. It has been regularly serviced. What do I need to look for and replace at the next service in order...