How do I use the self cleaning feature?

How do I start the oven for model-TGP300TQ

How set up about Oven temperture C suppose to be u

How do i restart the pilot for the over ,

oven knob spins doesn't connect, seems stripped in

Need to fix the latch on the oven door

The latch on the bottom right of the oven came off

DID S SELFCLEAN NOW OVEN WONT UNLOCK OR COME BACK

Oven door won't stay locked to clean

I have an estate oven model #tgp300tq1 and i cant

My oven is suddenly showing LOC when I push the bu