half-ton, three-quarter-ton, one-ton, etc.
A classification of vehicles (specifically pickup trucks and sport vehicles) that underrepresents their load capacity
head restraint
The cushion mounted on the backrest of a car that protects the driver or passenger against whiplash.
head-up display (HUD)
An LCD display that provides information in plain sight to a driver; is usually mounted on the dashboard or anywhere appropriate for driving use.
HomeLink
A remote control used to open programmed parts of the house such as a garage door or gate; usually mounted onto the dashboard of a car or available as a separate device.
horizontally opposed engine
An engine with two cylinder heads on opposite sides of a crankshaft which accomplishes a flat area or profile.
horsepower
(a.k.a. power ratings)
Non-metric units of power usually used as a measure of force exerted by an engine.
hydraulic mounts
Mounts found on the drivetrain that are filled with hydraulic fluid to isolate vibrations, intended or not.