It happened just before 9 p.m. Wednesday on New Road near Seaview Avenue.
Police say the officer was going to help a driver stranded on the side of the road.
That's when the other car sideswiped the officer's vehicle as he was getting out.
Luckily the officer was not hit.
The vehicle is described as a silver or grey Nissan Altima or similar type vehicle.
If you have any information you are asked to contact the Linwood Police Department.