LOS ANGELES - Uber and Lyft are threatening to pull out of California by the end of the week if they are forced to classify their drivers as employees instead of independent contractors.The move could leave hundreds of thousands of people without a job and many more without a mode of transportation.Uber issued the following statement, “We've appealed this decision, but if we are not successful in our appeal, we will need to temporarily shut down by Thursday night."RELATED: Uber may shut down for months in California, CEO warns"We know that riders rely on Uber to get around, and drivers rely on the Uber app to earn income.