2001 Hyundai Elantra Q&A

2001 Hyundai Elantra Question: What would cause my Transmission to when I an going up a slight incline to shift

for it to shift down and mand want change back I have to stop and turn Key off and it will click like everything shuts down and then I can start it back and it is fine -
Answer 1
seek a free diag and est from aamco then shop prices -