What could be the problem if the engine shakes violently upon starting and requires turning off and restarting?

What could be the reason for the Scirocco 2.0 engine warning light to turn off and then come back on again?

What could be the problem if the engine shakes violently upon starting and requires turning off and restarting?

The car is difficult to start two hours after turning off the engine.

How do I turn off the engine start-stop system?

I need some advice from experts: I have a 2013 1.4T Touran. Recently, the engine occasionally makes a loud noise after starting, and the idle speed is over 1100. But after turning off and restarting, the engine sounds normal, and the idle speed is around 700, back to normal. What could be the issue?

The battery status is normal. What could be the reason for not being able to start the engine after turning it off?

When starting the engine, the malfunction indicator light flashes briefly and then goes off after starting. What could be the issue?

When the air conditioning is turned on in the 3008, it triggers an alarm, but it goes back to normal when the AC is turned off. What could be the problem and how can it be resolved?

Sometimes, when I start my KAMIQ, a wrench icon appears with the ABS anti-skid warning. The car shakes as if it's not getting enough fuel. But when I turn it off and restart, it's fine. Can any experts advise?

What could cause a car to shake when starting cold?