I’m practicing for my driving licence and I’m going to driving school, just out of curiosity though I’ve looking on YouTube how to start and run a car and I’ve seen at least 3 different methods, I dunno which one is the correct. Things like the order when you release a pedal or when you need to press the clutch keep switching…
Glow plugs. They needed time to heat the glow plugs, which look like spark plugs, but function like an incandescent light bulb. They would be a nice hot spot in the cylinder to help ignite the fuel and get the engine started.
While the engine doesn’t need to be warmed up anymore, the HVAC system may need the engine to be hot before it can keep the windshield defogged and ensure the driver’s view remains unobstructed.