The parents of a 22-year-old driver killed after crashing while texting say they want his final unfinished message to be a warning to others.

Alexander Heit's family have released a photograph of the text which is cut off mid-sentence.

"Sounds good my man, seeya soon, ill tw ... ," it read.

Before he could send it, the University of Northern Colorado student, drifted into oncoming traffic before jerking the steering wheel and rolling his car.

He died shortly after the crash on 3 April.

In a split second you could ruin your future, injure or kill others, and tear a hole in the heart of everyone who loves you Mother-of-driver, Sharon Heit

His parents and police are hoping the photo of the text on his smartphone will remind people not to text and drive.

His mother does not want anyone else to die unnecessarily.

"In a split second you could ruin your future, injure or kill others, and tear a hole in the heart of everyone who loves you," Sharon Heit said in a statement.

Witnesses told police Alexander appeared to have his head down when he began to drift into the oncoming lane on outskirts of Greeley.

Police said he had a clean driving licence and was not speeding at the time.

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