If you’re part of a non-profit organization that could use a new car, Toyota wants to help. It’s doing a car giveaway, and all you have to do to win is harness the power of social media.

Here are the details from the promo’s Facebook page:

Through August 21, it’s the voters’ turn to do their own good deed by voting for their favorite organizations and causes. All voters have to do is log in to their Facebook profile and use the 100 Cars for Good app to vote on one of that day’s five nonprofit organizations. Each afternoon, the previous day’s winner is announced and a fresh batch of five finalist organizations will be ready to compete for votes. Vote once a day because each vote counts and each day brings another new car to another deserving organization.

The automaker is also using the #100Cars hashtag on Twitter so people can see who’s already won and keep up with other details about the promotion. But with only about a week to go, you’d better act fast.

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