2000 SAAB 9-5 traction control

3
Instrument panel
IB1080
Indicator and warning lights ______ 46
Speedometer _________________ 53
Odometer and trip meter ________ 52
Fuel gauge __________________ 53
Engine temperature gauge ______ 53
Parking lights ____________ 61
High/low beam __________ 61
Daytime running lights _____ 61
Rear fog light ____________ 62
Instrument illumination _____ 62
Changing bulbs _________ 182High/low beam control stalk 61
Turn signal and lane change
indicator _______________ 62
Cruise control __________ 145Front fog lights ___________ 63
Ashtrays ___________________ 112
Cigarette lighter ______________ 112
Tr i p c o m p u t e r
(Saab Information Display, SID) __ 54
Night panel __________________ 59
Clock _______________________ 60
Traction Control (TCS) Switch 51, 147
Wipers and washers ______ 65
Washer fluid ___________ 180
Replacing wiper blades __ 180Audio system ___________ 77
Steering-wheel controls____ 94Hazard warning lights _____ 63Climate control system:
automatic _____________ 67
Air conditioning: simple
fault diagnosis _________ 206
Seat heating controls __________ 106
Ventilated front seats ___________ 105Audio system steering-wheel
controls ________________ 94
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51 Instruments and controls
Traction-control-system:
OFF
The indicator light goes on when the Trac-
tion Control System is switched off with the
TCS OFF button.
IMPORTANT: the Traction Control System
is automatically engaged every time the
engine is started (see page 147).
The indicator light also goes on when there
is a fault in the Traction Control System. In
this case the light cannot be turned off by
means of the TCS button. If a fault is indi-
cated, have the system checked by an
authorized Saab dealer.
See also "Traction Control System", on
page 147.
TCS modulation in
progress
The TCS indicator light is located in the
lower half of the tachometer and will be illu-
minated when TCS regulation is occurring,
i.e. when there is insufficient traction
between the tires and the road surface to
provide the grip required for the accelera-
tion called for. The driver can also sense
that the engine is not responding normally to
the accelerator.
Operation of the TCS indicates reduced
traction between the tires and the road, and
that extra care should be taken by the driver.
In normal driving, the TCS will improve both
ride comfort and safety, but must not be
regarded as a system to enable the driver to
drive at or maintain a higher rate of speed.
The same precautions for safe cornering
and driving on slippery roads must still be
applied (see page 147).
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129 Starting and driving
Starting and driving
IB597
Ignition switch ................. 130
Starting the engine .......... 131
Important considerations
for driving ....................... 132
Refueling .......................... 134
Engine Break-In Period ... 137
Gear changing ................. 137
Cruise control .................. 145
Braking ............................. 146
Traction Control System . 147
Economical motoring ...... 149
Driving in winter .............. 150 Driving in hot weather .... 151
Towing a trailer ................ 152
Driving considerations
with compact spare
wheel/tire fitted .............. 154
Driving with the trunk
lid/tailgate open ............. 154
Driving with a roof rack
load ................................. 155
Driving with a load .......... 157
Towing the car ................. 158
Jump starting .................. 160 Parking brake ................... 162
Parking .............................. 162
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147 Starting and driving
The ABS system will not reduce the braking
distance on loose gravel or on snow or ice
but, because the wheels cannot lock up,
some steering control is retained.
When the ABS system is working, i.e. mod-
ulation of the brake pressure is in progress,
the brake pedal will pulsate and a ticking
noise will be heard. All this is perfectly nor-
mal.
Press the pedal down hard (you cannot
press too hard) and steer the car to safety. Do not release the brake pedal before the
car has come to a halt or the danger is
past!
That is critical.
If the road is slippery, the ABS system will
operate even when only light pressure is
applied to the pedal. This means that you
can brake gently to test the condition of the
road and adapt your driving accordingly.
It is well worth practicing the use of ABS
brakes on a skid pan or other suitable facil-
ity.
Traction Control SystemHow the system works The traction control system (TCS) is
designed to prevent wheelspin. This
enables the car to achieve the best possible
grip and, hence, maximum tractive effort,
together with greater stability.
The TCS system uses information from the
ABS system’s wheel sensors to detect
when the front (driving) wheels are rotating
faster then the rear wheels. It then monitors
whether one driving wheel is rotating faster
than the other. If so, the faster wheel is
retarded until both wheels are rotating at the
same speed.
If the two front wheels are rotating at the
same speed but are turning faster than the
rear wheels, the torque from the engine is
reduced to eliminate the difference.
The process continues until all the wheels
are rotating at the same speed.
The advantages of the TCS system become
most apparent when the cohesion between
the front wheels and the road surface is so
low that one or both of the wheels would
lose their grip were the car not equipped
with the TCS, e.g.:
 When the car is pulling away or accelerat-
ing with the front wheels on different sur-
faces (e.g. one slippery and one dry). The
TCS then functions like an electronic dif-
ferential lock.
 When the car is pulling away or accelerat-
ing on a slippery road, in which case the
Braking with ABS brakes
When the system is operating, the brake
pedal will pulsate gently and the system
will make a ticking noise
IB476
IB477
Braking with ABS – evasive steering
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200 Car care and technical informationUniform Tire Quality Grading (US)Quality grades can be found where applica-
ble on the tire sidewall between tread shoul-
der and maximum section width. For exam-
ple:
Treadwear 200 Traction AA
Temperature ATreadwearThe treadwear grade is a comparative
rating based on the wear rate of the tire
when tested under controlled conditions on
a specified government test course. For
example, a tire graded 150 would wear one
and one half (1 1/2) times as well on the gov-
ernment course as a tire graded 100. The
relative performance of tires depends upon
the actual conditions of their use, however,
and may depart significantly from the norm
due to variations in driving habits, service
practices and differences in road character-
istics and climate.
TractionThe traction grades, from highest to lowest,
are AA, A, B and C. These grades represent
the tire’s ability to stop on wet pavement as
measured under controlled conditions on
specified government test surfaces of
asphalt and concrete. A tire marked C may
have poor traction performance.
Wear indicatorsThe tires incorporate wear indicators in the
form of smooth, treadless strips across the
width, which become visible when only
1.6 mm of tread remains. As soon as the
indicators become visible, new tires should
be fitted without delay.
Make sure you are familiar with the legal
limit for minimum tread depth in your
country and also any regulations gov-
erning the use of winter tires.
WARNING
The traction grade assigned to a tire is
based on straight-ahead braking, traction
test and does not include acceleration,
cornering, hydroplaning or peak traction
characteristics.
SG840
Wear indicators
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244 IndexStarting in cold weather, ACC _______ 73
Starting in hot weather, ACC ________ 73
Steering wheel adjustment ________ 107
Steering, technical data ___________ 232
Stone-chip damage, repairing ______ 210
Storage compartments ___________ 113
Sun visors _____________________ 112
Sunroof _______________________ 111
Suspension ____________________ 232
Suspension, technical data ________ 232
Switches _______________________ 61
Systems, adjustment _____________ 237TTCS OFF _______________________ 51
Table of fuses __________________ 194
Tachometer _____________________ 52
Tailgate, opening _________________ 36
Tank gauge _____________________ 53
Technical data __________________ 225
Temperature control, ACC _________ 69
Temperature gauge, engine ________ 53
Temperature zones, ACC __________ 69
Textile carpeting ________________ 208
Through-load hatch ______________ 118
Tie Downs _____________________ 118
Tightening torque, wheel studs _____ 203
Tire markings ______________ 198, 199
Tire pressure _______________ 157, 198
Tires _____________________ 198, 233
Tools _________________________ 126Touching-in the paintwork _________ 210
Towbar attachment ______________ 152
Towbar load ____________________ 153
Towing the car __________________ 158
Towing, automatics ______________ 158
Traction _______________________ 147
Trailer weights __________________ 227
Trionic ________________________ 169
Trip computer ___________________ 54
Trip meter ______________________ 52
Trunk _________________________ 116
Trunk lid, opening ________________ 36
Turbo, points to note _____________ 132
UUnder the hood, 4-cyl ____________ 167
Under the hood, 6-cyl ____________ 168
Upholstery and trim ______________ 208
Upholstery and trim, care of _______ 208
Useful tips, ACC _________________ 75VVanity mirrors __________________ 112
Ventilated front seats _____________ 105
Viscosity, engine oil ______________ 228
WWarning labels ____________________ 8
Warning light, AIR BAG ____________ 26
Warning lights ___________________ 46
Washers ______________________ 180
Washers, windshield _____________ 181
Washing the car _________________ 209
Waxing and polishing ____________ 209
Wear indicators, tires _____________ 200
Wheels and tires ____________ 198, 233
Wheels and tires, sizes ___________ 233
Window-glass sensor, car alarm _____ 39
Windshield washers _______________ 65
Windshield wipers ________________ 65
Wiper blades, headlamp __________ 180
Wiper blades, replacing ___________ 180
Wipers and washers __________ 65, 180
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