So many wrong answers here.
It simply means you should slow down a bit to reach optimum fuel efficiency. This doesn’t mean brake though (because braking is very inefficient fuel wise), just keep your foot off the accelerator until that light goes away.
So many wrong answers here. It simply means you should slow down a bit to reach optimum fuel efficiency. This doesn’t mean brake though (because braking is very inefficient fuel wise), just keep your foot off the accelerator until that light goes away.