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.
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.
"Light in the shorts" is a colloquial term that refers to someone being quick or agile in their movements. It implies that the person is nimble and can move swiftly.
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
"Trigueño" in English refers to someone with a light or dark brown complexion. It is similar to the term "brunette" in English.
Low fuel you idiot
Dingbat is a (usually) friendly way of saying someone is being a bit of an idiot.
Being called a "prize idiot" is a humorous insult used to suggest that someone is particularly foolish or naive. It implies that the person is deserving of some sort of recognition for their stupidity.
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.