Heel and Toe

Heel-and-toe shifting is a driving technique used mostly in performance driving, although some drivers use it on the road in everyday conditions in the interest of effectiveness.

Head up display HUD

An automotive head-up display or automotive heads-up display —also known as a auto-HUD— is any transparent display that presents data in the automobile without requiring users to look away from their usual viewpoints.

Homogeneous charge compression ignition (HCCI)

Homogeneous charge compression ignition (HCCI) is a form of internal combustion in which well-mixed fuel and oxidizer (typically air) are compressed to the point of auto-ignition.

Haldex clutch

The Haldex clutch is an electronically controlled multi-plate clutch.

Gross vehicle weight rating GVWR

The gross vehicle weight rating (GVWR), or gross vehicle mass (GVM) is the maximum operating weight/mass of a vehicle

Front engine rear wheel drive FR

In automotive design, an FR, or front-engine, rear-wheel-drive layout is one where the engine is located at the front of the vehicle and driven wheels are located at the rear.

DIRAVI

DIRAVI is the name given by Citroën to its proprietary power steering system, first seen in 1970.

Power steering

In automobiles, power steering (also power assisted steering (PAS) or steering assist system) helps drivers steer by augmenting steering effort of the steering wheel.

Steering

Steering is the collection of components, linkages, etc. which allows any vehicle (car, motorcycle, bicycle) to follow the desired course.

Forced induction

Forced induction is the process of delivering compressed air to the intake of an internal combustion engine.