TOYOTA Prius HSD - Manual (Page 50)

GLOSSARY
ABS Anti-Lock Braking System, the feature which allows you to retain the ability to directionally control your
vehicle during emergency deceleration.
AC All modes of conditioning air inside the passenger area of the vehicle: Heating, Cooling, Venting
A/C Condensing of air to cool it and to remove humidity.
Assist Hybrid system with a small battery-pack and a single small electric-motor that provides peak power for the
gasoline-engine during periods of acceleration.
AT-PZEV Advanced Technology - Partial Zero Emission Vehicle
"B" Mode Engine Braking, (it isn't actually a gear) when you shift the transmission to this setting the engine will be used
to slow down the car, it works similar to an exhaust brake used on the large semi-trucks (except the one on
Prius is totally silent).
C Celsius, a measure of temperature, (C * 1.8) + 32 = F, -25°C = -13°F, -15°C = 5°F, -5°C = 23°F,
0°C = 32°F, 5°C = 41°F, 20°C = 68°F, 25°C = 77°F, 30°C = 86°F
CAFE Corporate Average Fuel Economy, the US system used to measure overall fleet efficiency
CARB California Air Resources Board, an agency dictating emissions requirements for cars sold in California. (These
are often more strict than Federal standards.)
CAT Catalytic Converter, a vital component in the emissions system, typically utilizing a self-renewing metal
CC Cruise Control
Cd Coefficient of drag (0.29 for the Original & Classic Prius, 0.26 for the HSD Prius)
CEL Check Engine Light
Classic The term used to identify the 2001, 2002, 2003 model years of Prius.
CNG Compressed Natural Gas
CO2 Carbon-Dioxide, the type of vehicle emission that contributes to global warming.
CVT Continuously Variable Transmission, Prius uses the "Planetary" design which functions as a power-split device
to manage multiple sources of thrust; other CVT vehicles use a "Cone & Belt" design to adjusts power ratios.
Dinosaur A very large, gas-guzzling, high-emission vehicle based on 20th century technology… doomed to extinction.
DRL Daytime Running Lights
DVD Digital Versatile Disc, used for the Navigational system in Prius
E10 Blended engine fuel, 10% ethanol and 90% gasoline
E85 Blended engine fuel, 85% ethanol and 15% gasoline
ECU Electronics Control Unit, the amazing computer that monitors and controls the two motor-generators, the gas
engine, the motion of the planetary gear set, the battery pack power levels etc. to provide the Prius' smooth
acceleration and speed control.
Engine The term used to refer to the device which runs on gasoline, utilizing combustion to push pistons to deliver
power.
EPA Environmental Protection Agency, the group responsible for rating the emissions & efficiency of vehicles sold
in the United States.
Prius User-Guide 50 of 54 Last Updated: 9/01/2007