Charlette Jansen, 22, of Canterbury Road, Kilsyth, pleaded guilty in Warrnambool Magistratres Court to theft of a motor vehicle, driving while disqualified and refusing to give police her name and address.

On September 9, Jansen stopped to help a vehicle that had broken down on the wrong side of the road.

The court heard an associate was using his 2002 blue Mitsubishi Lancer to jump start the vehicle when Jansen got behind the wheel and drove off without any discussion.

The victim reported the theft to police.

Jansen attempted to drive the Lancer to Warrnambool but ran out of fuel at Illowa.

Police located the vehicle the following day parked on the side of Southern Cross Road and the Princess Highway about 7.30am.

Jansen, who did not hold a driver's licence, was seated in the vehicle.

She refused to lower the windows or state her name on police request and was aggressive and verbally abusive.

She told police she borrowed the car to go get a drink and didn't have time to return it.

Jansen's criminal history includes three priors for motor vehicle theft.

Magistrate Peter Mellas said Jansen took advantage of her relationship with the victim and took the car when she clearly wasn't authorised to do so.

Jansen was jailed for the seven days she had already served in custody on remand. Her licence was disqualified for three months.

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