497 Technical terms
Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing:
Engine
Clutch/torque converter
Transmission
Transfer case*
Drive shaft
Axle shafts/axles
Production options weight
(
page 355)
Program mode selector switch
Used to switch the automatic transmis-
sion between standard operationS and
operationC.PSI
(P
ounds per s
quare i
nch)
(
page 355)
Recommended tire inflation pressure
(page 355)
Restraint systems
Seat belts, belt tensioners, air bags and
child restraint systems. As indepen-
dent systems, their protective func-
tions complement one another.
Rim
(page 355)
RON
(Research O
ctane N
umber)
The Research Octane Number for gaso-
line as determined by a standardized
method. It is an indication of a gaso-
line’s ability to resist undesired detona-
tion (knocking). The average of both
the ->MON (Motor Octane Number)
and RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.Shift lock
When the vehicle is parked, this lock
prevents the transmission selector le-
ver from being moved out of positionP
without the ignition or engine on and
brake pedal depressed.
Sidewall
(
page 355)
SRS
(Supplemental R
estraint S
ystem)
Seat belts, emergency tensioning de-
vice and air bags. Though independent
systems, they are closely interfaced to
provide effective occupant protection.
498 Technical termsTele Aid System
(T
elematic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, roadside assistance
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.
Telematics*
A combination of the terms “telecom-
munications” and “informatics”.
Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.TIN
(T
ire I
dentification N
umber)
(
page 355)
Tire load rating
(page 355)
Tire ply composition and material used
(page 355)
Tire speed rating
(page 356)
TPMS
(page 339)
Traction
(page 356)
Tread
(page 356)
Treadwear indicators
(page 356)
Uniform Tire Quality Grading Standards
(page 356)Vehicle capacity weight
(
page 356)
Vehicle level control*
The ground clearance of the vehicle is
automatically controlled according to a
selected setting and speed.The driver
can set the ground clearance manually
for example on very rough roads.
Vehicles Maintenance System
(U.S. vehicles)
Maintenance service indicator in the
multifunction display that informs the
driver when the next vehicle mainte-
nance service is due. The Vehicle Main-
tenance System in your vehicle tracks
distance driven and the time elapsed
since your last maintenance service,
calculates other maintenance service
work required, and calls for the next
maintenance service accordingly.
Vehicle maximum load on the tire
(page 356)
