Chrysler parts ways with social media agency New Media Strategies a day after one of the agency’s eployees distributed an inappropriate tweet to Chrysler’s 12,000 plus followers.

“I find it ironic that Detroit is known as the #motorcity and yet no one here knows how to f****** drive,” the tweet said.

The post was quickly deleted and replaced with an apology.

“New Media Strategies regrets this unfortunate incident. It certainly doesn’t accurately reflect the overall high-quality work we have produced for Chrysler,” Pete Snyder, founder and president of the agency, said in a statement today. “We respect their decision and will work with them to ensure an effective transition of this business going forward.”

Chrysler has enjoyed enormous support since the airing of a Super Bowl commercial featuring Eminem and the city of Detroit to tout the new Chrysler 200 sedan.

The reaction to the commercial, the catchphrase “imported from Detroit,” and the overall positive messages it sent has been tremendous, Chrysler says.

“With so much goodwill built up over a very short time, we can’t afford to backslide now and jeopardize this progress,” Chrysler’s Ed Gartsen said in a blog post on the automaker’s media Web site today. “We need to keep the momentum going — rebuilding a region and an industry, and not let anything slow us down. It’s what we do.”

The agency, based in Arlington, Va., has handled social media duties for the Chrysler, Dodge, Jeep, Ram Truck and Fiat brands since February 2010.