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108 Glossary
9-3
Fuse – Conducts electricity to a component to
enable it to work. If a fuse is pulled or blown,
the feature will not operate properly. A fuse
protects a circuit from a short-circuit or or an
overloaded circuit.
Hp Horsepower – The amount of stamina
power that a vehicle has in order to maintain a
desired speed. More aerodynamic vehicles
require less Hp as a result of lower resistance.
IR Infrared – A signal sent to detect items that
are different from ideal or stable conditions (e.g.
Rain Sensing Wipers use an infrared signal to
detect water on the windshield).
LED Light Emitting Diode – These are used in
lieu of bulbs. LEDs last much longer and
provide more subtle, but effective lighting. LEDs
are used on the SID, ACC and MIU, for
example.
Linear – The entry-level form designation for our
brand strategy moving forward. Our vehicles
should not ever be considered “base” cars. The
replacement for the 9-3 will carry these form
names as well.
MED-NET – An OnStar service that can store a
customer’s personal medical information to
assist in an emergency.
MIU Main Instrument Unit – The component
that is located in the dash that illuminates the
necessary information that the driver needs
while operating the vehicle, (e.g. speedometer).
Nm Newton Meters – The measurement used
to measure torque. This measurement is used
mostly outside of the U.S. Torque in the U.S. is
measured in foot-pounds (ft. lb.).
Oversteer – The rear end of the vehicle tends to
drift out or “fish-tail” in a turn.
Relay – An electro-mechanical switch that
powers up a component or components. It is
able to withstand a high electrical current draw.
RPM Revolutions Per Minute – A measurement
to describe the amount of times something
cycles (e.g. engine cycles, turbochargers, etc.).
SAHR Saab Active Head Restraint – The
whiplash reduction system that uses natural
body weight and forces to react in a way to help
keep the front seat occupants head and neck in
a position that will not cause serious injuries.
Sensor – A device used to provide information
to the various ECMs. Many different types of
sensors are used on our vehicles. Some main
components act as sensors to provide
information (e.g. spark plugs for the T7 Trionic
Engine Management system).
SPS Service Programming System – A
software system that allows for different settings
to be adjusted on the various ECMs located
throughout the vehicle.
SID Saab Information Display – The component
that is located above the radio, which includes
the Saab Car Computer. The date, time and
radio function are normally illuminated here (e.g.
radio station, CD Play, etc.).
SRS Supplemental Restraint System – The
system that controls various airbags located in
the vehicle. Please note, these are
supplemental, meaning the primary restraint
system is always the seat belt. SRS is designed
to work in conjunction with seat belts fastened.
T7 Trionic – The ECM that controls the Trionic
Engine Management system. T7 is the seventh
generation of the system that Saab invented and
implemented as early as model year 1993.
Torque – The amount of power (twisting force)
being sent to the drive wheels. Torque is the
acceleration power that gets you from 0-60. A
favorable torque rating at low RPMs can provide
excellent power. Torque is measured in ft. lb. @
RPM.
Torx – A special head on a screw or bolt, which
require a torx-driver. There are a variety of
different sizes and they are used throughout the
vehicle (e.g. the license plate screws have a torx
head).
TCS Traction Control System – TCS works in
conjunction with ABS and the electronic throttle
to either limit torque to the drive wheels or
actually apply brakes to the drive wheels to keep
them from spinning.
TWICE Theft Warning Integrated Central
Electronics – The ECM that is responsible for
the door locks, the alarm and the immobilizer
features of the vehicle. It also controls the brake
light illumination, the power front seats and the
heated rear seat timer functions.