Solution
1. Instructor or Mentor, maybe; Service ADVISOR 2. Fitting for grease installation ZERK 3. The part of the tire with identifying information SIDEWALL 4. Inflatable steering wheel safety device AIRBAG 5. Colorless, odorless gas caused by incomplete combustion; carbon MONOXIDE 6. Institute tasked with governing oil specs (1,1,1) API 7. Combustion gases are forced past the piston rings BLOWBY 8. When tires lose traction on rainsoaked highway. HYDROPLANE 9. CABIN air filters are often found hidden in glovebox 10. The King; Richard PETTY 11. Sign of the Bull; SHO TAURUS 12. Rotation around an axis REVOLUTION 13. Type of vehicle with multiple methods of propulsion HYBRID 14. Distance between centerline of the two wheels when viewed from the side. WHEELBASE 15. Indy oval nickname BRICKYARD 16. Seat for an Easy Rider. SADDLE