Glossary - Toyota Prius 2010 User Manual

GLOSSARY

Anti-Lock Braking System, the feature which allows you to retain the ability to directionally control your vehicle
ABS
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.
Hybrid system with a small battery-pack and a single small electric-motor that provides peak power for the
Assist
gasoline-engine during periods of acceleration.
AT-PZEV
Advanced Technology - Partial Zero Emission Vehicle
BAS Belt-Alternator System – GM's assist hybrid technology
Engine Braking, (it isn't actually a gear) when you shift the transmission to this setting the engine will be used to
"B" Mode
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).
Celsius, a measure of temperature, (C * 1.8) + 32 = F, -25°C = -13°F, -15°C = 5°F, -5°C = 23°F,
C
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
California Air Resources Board, an agency dictating emissions requirements for cars sold in California. (These
CARB
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 Iconic Prius)
CEL
Check Engine Light
Classic
The term used to identify the 2001 - 2003 model years of Prius.
CNG
Compressed Natural Gas
CO2
Carbon-Dioxide, the type of vehicle emission that contributes to global warming.
Cold Soak
Delaying recharge to let the battery cool down after use.
Continuously Variable Transmission, Prius uses the "Planetary" design which functions as a power-split device
CVT
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
E15
Blended engine fuel, 15% ethanol and 85% gasoline
E85
Blended engine fuel, 85% ethanol and 15% gasoline
Eco-Meter
This is the more common name for the "Hybrid System Indicator".
Electronics Control Unit, the amazing computer that monitors and controls the two motor-generators, the gas
ECU
engine, the motion of the planetary gear set, the battery pack power levels etc. to provide the Prius' smooth
acceleration and speed control.
Prius User-Guide (2010-2012) 29 of 33 Last Updated: 6/21/2012