My low tire pressure gauge light came on, i filled all tires- they were all around 33psi. The light is still on, and my car drives alot different now. There is alot of play in the wheel, and I dont recall hitting any potholes. I have 14k on it, mostly hwy. Will the dealer fix this under warranty? any ideas what the problem might be? Thanks..

The "Low tire pressure warning light" warns of low tire pressure or indicates that the TPMS is not functioning properly. The light is normally caused by one of your tires running a little low on pressure. Seeing that the light is on anyway and you mentioned that your ride is handling strangely, take it back to the dealer and get it fixed under warranty.

I agree with vpnavy. If your sentra is still under warranty you should have the dealer take care of the problem under warranty.