they are talking about the lights on dash that light up if something is wrong.
To say, "you're an idiot" is to mean that the person you are referring to is an idiot. In this context, an idiot is generally someone with a low level of intelligence, or one who lacks understanding.
if someone says, 'you melt' or 'he's such a melt' it generally means, 'silly' or 'you idiot'. its a light hearted joke.
they are silenly saying your an idiot
An insult for calling someone stupid or an idiot.
It is a polite way of saying they had sex.
If you think this, do not tell them, it would hurt them.
Someone who isn't that smart or isn't nice. Synonyms: stupid; idiot; mean; cruel; jerk
Translation: You are stupid OR You are an idiot. Note that because of gendered language, it is clear that the "you" refers to a singular woman.
Low fuel you idiot
The phrase refers to someone who has a cold or the flu .
It refers to someone who is not very brave.
its refers to a guider someone who protects you