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

The oil warning light comes on when I brake hard. Sometimes the oil light just turns on!

Hey folks, my emission warning light was on for a few days, then it went off. Anyone else had the same issue? What could be the reason?

The 2005 Nissan Quest's passenger airbag light turns on when someone is seated and turns off when no one is seated. What could be the reason for this?

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 reason for the Haima S5's warning light being on or flashing, and the lack of acceleration?

I've got a 2012 XV and while driving, the hill assist light turns on, then goes off, and comes back on again. Does anyone know what might be causing this? Has any fellow driver experienced this and how did you resolve it?

The dashboard reported low transmission performance, and then the car wouldn't accelerate. After restarting, the warning light went off and it drove normally. What could be the reason? (The onboard computer cleared the fault light, but it came back on before I got home.)

The transmission light on your car suddenly turned on for a few minutes and then went off. Sometimes it lights up while driving, but it hasn't come on in the past few days. What could be the reason?

The 2014 model with a 3.5L engine shows the engine warning light and exhaust system fault light at 100,000 km. The sensors have been replaced, but after a while, the lights come on again. Does anyone know what the reason might be? Generally, the lights only come on when driving at high speeds. Could it be related to the Evans waterless coolant that was changed a few years ago at the 4S shop?

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