Help with 3 clues please.
11 down.Clue is:Is apt to change then check satellite dish's component occasionally.I have P?S?A?Y?O
37 down.Clue is:Queen in Texas waving bye bye maybe.I have E?T?A?
57 across.Clue is:Long, singular vehicle a child can ride fast.Answer is 2 words,each has 6 letters.I have O???E? ??R???
All help is much appreciated