Police will allege Scott James Chandler convinced the woman to take a drive with him on Sunday morning, telling her they were going for breakfast. Once in the car, he allegedly confronted her over text messages he had found on her phone from another man.

He is accused of striking the woman and repeatedly accelerating towards power poles as if to make good on his threats to "drive us into a pole - I'll kill us both", only to pull the handbrake at the 11th hour.

"I found messages from [the other man] you little dog," he allegedly told her. "You're not going nowhere now".

The 29-year-old butcher allegedly told the woman he was taking her to his Campbelltown home, before making the death threats and accelerating towards one pole, then another.

The woman later told police she screamed for help and tried to get out of the car but Chandler grabbed her by the throat and wouldn't let her leave.

A Good Samaritan has told police she noticed Chandler's black Holden Commodore driving strangely on Ocean Street, Towradgi.

The woman followed in her silver Toyota, motioning for the allegedly captive woman to get in with her.

Police will allege the captive woman made a run for it, but that Chandler reversed at the Toyota, got out, and grabbed his partner just as she was reaching for the car's door handle.

A bystander was filming as Chandler allegedly forced the woman back inside his car and drove away.

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The captive woman has told police she later convinced Chandler to drive her to a relative's Wollongong home, where he let her out with the parting words, "you better play it all good or I'm gonna kill you c---".

He was allegedly involved in a crash with an oncoming car as he went the wrong way down a one-way stretch of Gipps street, then drove on. Police were unable to find him then, or when they were called to the victim's Bellambi home later that day when she encountered him again.

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Police were alerted to another alleged incident at the woman's home on Monday morning and pursued Chandler through Bellambi about 7.30am, but he ignored lights and sirens and allegedly accelerated to 80kmh in a 40kmh zone, forcing police to abandon the chase.

He was spotted heading south on Lawrence Hargrave Drive at Austinmer about 8.10am and police soon found his Commodore parked on Lawrence Hargrave Drive at Thirroul, outside an IGA supermarket. He was arrested as he went to get in his car.

That afternoon he appeared before Wollongong Local Court, where his lawyer called on Magistrate Michael Love to grant bail so Chandler could care for a sick relative.

Chandler bowed his head in his hands and sobbed as bail was refused.

"Please, Your Honour," he said. "I'm not going to stuff up .I'm going to go to work, Im going to do the right thing."

The matter returns to court July 1.