The Army bomb squad have been called to the scene.
Army technical officers have been tasked to examine the vehicle and the road remains closed to traffic.
Meanwhile, UUP MLA in North Down and the party's policing spokesman, Alan Chambers, released a statement at 11.04am claiming a "car belonging to a police officer caught fire. when a booby-trap bomb partially exploded".
The officer is not believed to have been in the auto - thought to be her personal vehicle - at the time.
Shortly before 8.30am on Tuesday, police were called to the scene of a vehicle fire at the junction of the Ballyrobert Road between Bangor and Belfast.
According to local media, the fire was caused by the partial explosion of a booby trap bomb underneath the auto.
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Police sources had earlier confirmed the woman was not a serving police officer.
"My concern is for the officer and her family".
He said: 'Terrorism can never be allowed to prevail.
The road where the accident took place remains closed while the investigation into the incident is underway, Police Service of the Northern Ireland says in its Twitter, asking motorists to avoid the scene.
"If so that's a huge relief and I hope those involved are uninjured".