I owned landc ruiser V8-cygnus. I ve 3 question.

What is your question?

#1.while driving down hill at 80 km/hr and if I apply break, the engine rpm will rise from 2 to 4 or 5 or another word from gear 5 quick change to gear 2 ???. #2. My air conditioner in side the car some time produce bad smell like burning wire something like that?? #3. My CD player (original) could not eject. Can it be repaired or replaced with new original one?