2002 SAAB 9-3 warning light

150 Starting and driving
Important considerations with cata-
lytic convertersThe catalytic converter is an emission-con-
trol device incorporated in the car’s exhaust
system. It consists of a metal canister with a
honeycomb insert, the cells of which have
walls coated in a catalytic layer (mixture of
precious metals).
To ensure that the catalytic converter con-
tinues to function properly, and also to avoid
damage to the converter and its associated
components, the following points must be
observed:
 Have the car serviced regularly in accor-
dance with the service program. The fuel
and ignition systems are particularly
important in this context.
 Always be alert to any misfiring of the
engine (not running on all cylinders) and
any loss of power or performance. At the
first sign of a malfunction, reduce speed
and take the car to an authorized Saab
dealer as soon as possible. If the engine fails to start (in very cold
weather or if the battery is dead), the car
can be push started (manual gearbox
only) or started using jumper cables to a
donor battery. However, as soon as you
have started the engine, it is important
that it runs on all cylinders. If it is misfiring,
allow it to idle for up to five minutes to give
it time to settle and run smoothly. If, after
this time, the engine still fails to run prop-
erly, turn off the engine and get in touch
with an authorized Saab dealer for
advice.
NOTEIf the CHECK ENGINE warning light
starts to flash, ease off the accelerator
slightly. If the light does not cease to flash
within 5 seconds, stop the car in a suita-
ble place as soon as possible and turn off
the engine. The car must be towed to an
authorized Saab dealer.
If the CHECK ENGINE warning light
flashes, it indicates that the engine is
misfiring which can result in damage to
the catalytic converter.
NOTEUse only unleaded gasoline. Leaded gas-
oline is detrimental to the catalyst and
oxygen sensor and will seriously impair
the function of the catalytic converter.
IB1315
Engine-management system with catalytic
converter 1 Engine control module
2 Oxygen sensor (lambda probe)
3 Catalytic converter
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151 Starting and driving
 Never park the car on dry grass or other
combustible material. The catalytic con-
verter gets very hot and could therefore
start a fire.
 Never drive off if the engine is misfiring.
 If you jump start the car when the engine
is already up to normal temperature, the
engine must start to run on all cylinders.
Stop jump-starting if the engine fails to
start immediately.
 Failure to follow these directions could
result in the catalytic converter and asso-
ciated components being damaged, and
could represent a breach of the warranty
conditions.
RefuelingOnly fuel from well-known oil companies
should be used.
All Saab gasoline engines can be driven on
fuel of grade AON 87-93.
For optimum performance we recommend:
AO N 90 for 2.0 Turbo 185 hp.
AO N 93 for 2.0 Turbo 205 hp and
2.3 Turbo Viggen.
If fuel containing a mixture of alcohol is
used, the following restrictions apply:
Methanol: max. 5% by volume.
Ethanol: max. 10% by volume.
MTBE: max. 15% by volume.The fuel filler cap is located in the right rear
quarter panel.
Switch off engine.
Insert the fuel-pump nozzle beyond the
flange on the filler pipe. Do not withdraw the
nozzle while filling is in progress.
Cease refueling the first time the pump
stops.
Fuel-tank capacity: 17.0 US gal. (64 liters)
Screw on the filler cap and keep turning until
it has clicked at least three times to prevent
illumination of the CHECK ENGINE light
and a TIGHTEN FUEL FILLER CAP mes-
sage to appear on SID.
Manually opening the fuel filler door, see
page 144, Convertible, page 58.
The most effective way to prevent conden-
sation forming in the tank (and thus avoid
possible running problems) is to keep the
tank full.
Before the onset of freezing temperatures in
winter, it may be advisable to add gasoline
anti-freeze to the fuel a few times to dispel
any condensation in the system.
NOTEIf the car runs out of fuel, it is possible for
air to get into the fuel system. If this
happens, the catalytic converter may
overheat and be damaged.
WARNING
 Never use fuel for any purpose other
than as engine fuel.
 Gasoline is highly flammable and can
cause severe burns. Never use an
exposed flame in the vicinity of gaso-
line. Never smoke when filling the
vehicle up with gasoline.
 Do not use the phone when refueling
with gasoline. Gasoline fuels are
highly explosive.
NOTEDo not overfill. Fuel should not come right
up the filler pipe as expansion room is
needed.
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163 Starting and driving
Cruise ControlFor safety reasons (brake system func-
tion) the brakes must be applied once,
when the engine has started, before the
cruise control system can be activated.
The system is operated by means of the
controls on the stalk switch:
 OFF (system is disconnected; the system
is always in the OFF position when the
engine is started).
 ON (system switched on).
 SET/+ (to set the desired speed).
 CANCEL (cancel operation of system,
e.g. to reduce speed temporarily).
 RESUME/– (resume preset speed).
When the system is ON, the CRUISE indi-
cator light will appear on the main instru-
ment panel and will be extinguished when
the system is switched OFF. If CANCEL is
selected, CRUISE will flash off once.
To set the desired speed Move the switch to ON. Accelerate to the
desired speed (minimum speed: 25 mph
(40 km/h) and press SET/+. To increase the preset speed Accelerate to the desired speed and press
SET/+.
You can also increase the speed of the car
using the SET/+ button. Press it once to
increase the speed by 1 mph (1.6 km/h) or
hold it in and release when the desired
speed is reached.
Temporary increase in speed Press the accelerator to override the preset
speed, e.g. for overtaking.
When you release the accelerator, the
system will revert to the preset speed. To cancel temporarily Move the control stalk to CANCEL
(spring-loaded position before OFF posi-
tion). This will disengage the system but the
preset speed will be retained in the system
memory. (The memory is deleted when the
engine is switched off.) To re-engage the system To revert to the preset speed, slide the
switch to RESUME/–. This will only operate
when the car’s speed is above 25 mph
(40 km/h). To reduce the preset speedThe cruise-control system will always disen-
gage automatically the moment that either
the brake pedal or the clutch pedal is
depressed.
It is also possible to reduce the speed by:
 Sliding the button to RESUME/– once will
reduce the speed by 1 mph (1.6 km/h).
 Holding the button in the RESUME/–
position will effect a gradual reduction in
speed until the button is released.
WARNING
 Do not use the Cruise-control system
on wet or icy roads, in dense traffic or
on winding roads
 To prevent the system being activated
inadvertently, set the control to OFF
when you do not want to use the
system
IB1593
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165 Starting and driving
ABS brakes ABS (Antilock Braking System) modulates
the brake pressure to the respective
wheels. Wheel sensors detect if a wheel is
about to lock, and the control module
reduces the pressure to that wheel and then
increases it once more until the tendency is
detected again.
The brake system is equipped with an Elec-
tronic Brake-force Distribution device
(EBD), which distributes the brake pressure
between the front and rear wheels in such a
way as to achieve optimum braking per-
formance irrespective of the car’s speed
and load.
The ABS system has a built-in diagnostic
function which will switch on the ABS warn-
ing light if a fault is detected in the system
(see page 62). 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!
This 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 practising the use of ABS
brakes on a skid pad or other suitable facil-
ity.
WARNING
 The additional safety afforded by the
ABS system is not designed to allow
drivers to drive faster but to make
normal driving safer.
 To stop as quickly as possible, without
loss of directional stability, whether
the road surface is dry, wet or slippery,
press the brake pedal down hard
without letting up (do not pump the
pedal), declutching simulta-
neously, and steer the car to safety.
IB877
ABS braking - confirmation that the sys-
tem is operating
IB878
Braking with ABS - evasive steering
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166 Starting and drivingTraction Control SystemHow the system works The traction control system (TCS) is
designed to minimize 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
TCS eliminates wheelspin. The same
applies when the car is reversing.
 On cornering, if there is a tendency for the
inner front wheel to rotate faster than the
other wheels.
 On overtaking.
TCS OFF The indicator on the main instrument
panel will come on:
 If a fault has been detected and the
system has therefore been switched off.
 If there is a fault in the ABS system.
 If the system has been switched off man-
ually.
The indicator light will also come on for
4 seconds when the ignition key is turned to
ON, while an internal system check is per-
formed. TCS indicator The in the tachometer comes on when
the system is operative, i.e. when the
wheels are not rotating at the same speed.
The fact that the TCS system is operative
indicates that the limit for grip has been
exceeded and that the driver must exert
greater care.
WARNING
When driving normally, the TCS helps to
imrove the safety of the car. This does
not mean that car can be driven faster.
The same care and prudence normally
applied should be displayed on corner-
ing and when driving on slippery roads.
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168 Starting and drivingParking brakeThe parking brake lever is located between
the front seats. The brake acts on the rear
wheels. When the parking brake is on, the
indicator lamp on the main instrument panel
will be lit.
To release the brake, lift the lever slightly,
press the pawl button, and let the lever
down.
Parking
WARNING
Always apply the parking brake when
the car is parked.
Always apply the parking brake
before removing the ignition key.
 Never use the parking brake while the
car is moving.
WARNING
 Do not leave children or pets unat-
tended in the car. In warm, sunny
weather, the temperature inside the
car can reach 160–180°F (70–80°C).
 Park where the vehicle will not create
an obstruction or a hazard to other
road users.
 Do not park on dry grass or other com-
bustible material. The catalytic con-
verter gets very hot and could start a
fire.
 Apply the parking brake.
 Shift into Reverse for manual trans-
mission; for automatic transmission:
move selector lever to P (Park)), and
remove the ignition key. Lock the car.
NOTESaab 9-3 Viggen: The body design
together with the relatively low ground
clearance of the car means that great
care must be taken during parking to
avoid damage to the under part of the
bumper.
IB1269
IB982
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176 Starting and drivingTrailer hitch loadThe weight distribution on the trailer makes
a lot of difference to the handling properties
of the car and trailer combination.With sin-
gle-axle trailers, whenever possible, con-
centrate the load over the axle and keep it
as low as possible.
The trailer should be loaded so that the
maximum load on the towbar ball is 5% to
7% of the trailer weight with a maximum per-
missible tongue weight of 165 lbs (75 kg).
Note that this load must be added to the total
load for the car. If this now exceeds the
specified load capacity, the load in the trunk
will have to be reduced by a corresponding
amount.
Driving with a roof rack
loadThe maximum permissible roof load is
220 lbs (100 kg). Note that the roof load is
included in the car’s maximum permissible
load (see page 235).
Strong, sturdy roof carriers designed spe-
cially for the car are available from your
Saab dealer. Always secure the roof load
safely.
WARNING
 A roof load will affect the car’s center
of gravity and aerodynamics. Be
aware of this when cornering and driv-
ing in crosswinds.
 Adjust your speed to the prevailing
conditions.
 Due to higher aerodynamic drag, fuel
economy may suffer when driving with
a roof rack.
IB880
Distribution of load in trailer aLight
b Moderate
cHeavy
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181 Starting and driving
Towing a car with automatic
transmission The following rules must be observed if a
car with automatic transmission is to be
towed.
The gear selector must be in the N position.
Switch hazard lights on.
Drive carefully and do not exceed the
speed limit for vehicles in tow.
Always try to keep the towrope taut by
gently applying the brake as necessary.
This will avoid the towrope being jerked vio-
lently.1 Selector lever in position N.
2 The local regulations on towing speeds
must be followed.
The highest permissible towing speed is
30 mph (50 km/h), unless the legal limit
is lower. The longest permissible towing
distance is 30 miles (50 km). If the car
has to be transported farther than that,
summon a tow truck. A flat bed tow truck
is the preferred method to tow.
The engine cannot be started by towing or
pushing the car. In emergency, the engine
can be started as described in the section
”Jump starting”.
Jump startingIf your battery has run down, you may want
to use another vehicle and some jumper
cables to start your Saab. Follow the steps
below to do it safely.
NOTEThe car must be towed front first.
If the car is to be towed with the front
wheels off the ground, make sure the
parking brake is off, as this acts on the
rear wheels.
WARNING
Batteries can cause injury. They can be
dangerous because:
 They contain acid that can burn you.
 They contain gas that can explode or
ignite.
 They contain enough electricity to
injure you.
If you do not follow these steps exactly,
some or all of these things can hurt you.
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