458 Technical termsRetractable hardtop
Hardtop roof that can be opened and
closed at the push of a button and
stored in the trunk.
Rim
(
page 312)
Roll bar
Occupant protection system which
consists of tubular steel sheathed in
plastic. The roll bar is lowered into the
car body during normal driving condi-
tions and raised automatically. It may
also be manually raised and lowered by
operating a button during critical driv-
ing situations.
RON
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 gear selector lever from
being inadvertently moved out of posi-
tion P without SmartKey turned and
brake pedal depressed.
Sidewall
(
page 312)
SRS
(Supplemental R
estraint S
ystem)
Seat belts, emergency tensioning de-
vice and airbags. Though independent
systems, they are closely interfaced to
provide effective occupant protection.Tele Aid System
(Tele
matic 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.
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 312)
Tire load rating
(page 312)
473 Index
Rim 312, 458
Roll bar 75, 458
Lowering 76
Messages in display 379
Raising 76
Warning lamp 27
Roll bar buttons 30
RON 270, 458
Roof see Retractable hardtop
Run Flat Indicator (Canada only) 293
S
Satellite-radio* 141
Seat belt force limiter 74
Seat belts 46, 64, 71
Cleaning 330
Messages in display 379
Warning lamp 340
Seat heating
Switching on 117
Seat ventilation* 120
Switching on 120
Seating capacity 286
Seats
Adjusting height 40
Adjusting lumbar support 116
Adjusting shoulder support 116Heating 117
Massage function 117
Moving 115
Service
Basic service (Service A) 318
Batteries 413
Extended service (Service B) 318
Types 318
Service life (tires) 282
Service System see Maintenance
Setting 151
Convenience functions 156
Daytime running lamp mode 152
Interior lighting delayed
switch-off 155
Lamps and lighting (control
system) 152
Language, multifunction display 150
Locator lighting 153
Lower speed in cruise control 206
Miles/kilometers in
speedometer 149
Night security illumination 154
Radio station 141
Slower speed in cruise control 206
Speedometer display mode 149Time (control system) 150
Units in speedometer 149
Setting the time (hours) 151
Setting the time (minutes) 151
Settings
Convenience functions 156
Resetting all (control system) 146
Selective (SmartKey) 98
Settings menu
Submenus 147
Shelf below rear window, cleaning 330
Shifting
Gear selector lever 162
Gear selector lever positions 164
Into optimal gear range (Automatic
transmission) 169
Shoulder support
Seat adjustment 116
Side marker lamps 392
Cleaning lenses 325
