88 323 starting problems

my buddy has an 88 323, and he drove it to the mall, and then when he went to leave, the steering column was locked. you put the key in, try to turn it, and it does not turn. we tried moving the steering wheel, and we got nothing. any ideas?

try pushing the car from front to back it happend to me once when i parked in a lil slope the column got stuck and i couldnt turn the key..