I got my first car just a little while ago it's a 2001 Isuzu rodeo with a 3.2 and 4wd and everything has been working great except for one thing. When I bought it it came with one key and the remote to unlock the doors. I had always just used the remote to unlock it. I got a spare made for it yesterday and went to test it in lock and it won't turn, passenger, driver, and rear doors. I figured it was just a bad copy but I tried the original and that won't work either. It's not a problem with rust because it won't lock the glovebox either. They both will start the car so I really don't know what the problem is. I believe the one it came with is not A copy because it has the Isuzu logo on it. Any tips on what the problem may be would be great.