The burglar got into the dealerships by smashing a glass window or shoving in an air conditioner and got away with auto parts.
In each case, the suspects approached someone, pulled out a gun and took their vehicle, Chicago police said. In one case, the carjackers also drove by and grabbed a purse from a woman, dragging her to the ground as she was walking in a parking lot.
Police are asking the community for help finding a missing 17-year-old girl last seen in Belmont Gardens on the Northwest Side.
A Brookfield man was held without bail in connection with a shooting last month in Belmont Cragin on the Northwest Side.
The 8-year-old boy was sitting in the car when a stranger came up, jumped in and drove off. He jumped out of the car a couple blocks later and was not hurt.
Police are warning residents of three armed robberies reported in January in Belmont Cragin on the Northwest Side.
Janiela Lopez was last seen Jan. 19 and is missing from Belmont Gardens on the Northwest Side.
Car thieves targeted several vehicles throughout January in Montclare and Belmont Craign on the Northwest Side.
The former student was arrested hours later after returning to the school and being chased by officers, Chicago police said.
About 1:38 a.m., three males threw a rock through the front door of a store in the 3100 block of North Central Avenue and stole the ATM that was inside, Chicago police said.
A 16-year-old girl was reported missing from Belmont Gardens on the Northwest Side.