Sliding door issues

My passenger sliding door won't lock period
and my driver side sliding door won't close. I
have to turn off the power sliding door
cause it will keep opening. Opened while
driving with my 4 yr old in the carseat. I slam
it hard but the it doesn't latch. Nothing is in
the way or in the track. Don't know what to
do. Just bought it privately and my warentee
doesn't kick in for a month.