Glossary of Auto Terms

DriverSide's Car Dictionary has the most comprehensive definitions of automotive terms. This auto glossary can help you decipher what your mechanic is fixing and what the purpose or function of the particular auto part or accessory is for. We have taken the mystery out of automotive service jargon, so that you don't have to.



Shifting to a lower gear, usually so that the engine can operate in its proper rpm range, or in certain circumstances to slow the vehicle.

See Also:
Kickdown Switch
Lug Nuts
Grease Fitting
Run on
Crankshaft Pulley

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