Crossword Puzzle Do auto-repair work

Clue: Do auto-repair work

Oil rig worker, __, __, auto body repairman (DRILLSERGEANTDENTIST with 20 letters)
Auto garage worker, at times (ALIGNER with 7 letters)
Key that doesn't work by itself (ALT with 3 letters)
Auto-dent repairer (BODYSHOP with 8 letters)
Auto-ownership document (CARREGISTRATION with 15 letters)
Auto repair company since 1971 (CARX with 4 letters)
Auto door safety feature (CHILDPROOFLOCK with 14 letters)
Doesn't work, fashionwise (CLASHES with 7 letters)
Doesn't work hard (COASTS with 6 letters)
Doesn't have to work hard (COASTS with 6 letters)