ignition SAAB 9-5 2004 Service Manual

161 Starting and driving
Park Brake Shift lockThe transmission has a security function
known as Park Brake Shift Lock. To move
the gear selector out of the P position, the
brake pedal must be depressed at the same
time as the gear selector catch (detente) is
pressed in.
Shift Lock overrideCheck fuse No. 1 (see page 229). If the
problem was cured by changing the fuse or
battery, you do not have to contact a Saab
dealer.
If the fuse blows again as soon as the Shift
Lock feature is activated you should contact
your Saab dealer.
If the fuse is OK, check the battery regarding
the voltage.
1 Apply the parking brake
2 Make sure the key is in position ON
3 Use a small tool such as a screwdriver
and push the lever (see picture) down-
wards so that the detent button can be
pressed approx. 10 mm
4 Move the selector out of position P to N
5 Remove the tool
6 Release the parking brake if the car is to
be moved immediately; otherwise keep
it applied
Automatic transmission,
fault indicator
If ”Automatic transmission, fault indicator”
light appears on the main instrument panel,
the system has detected a fault in the auto-
matic transmission or its control module
(see page 59).
This also means that the Limp-home mode
has been selected, to guard against further
damage being done to the transmission. In
this mode, the automatic transmission
starts in 5th gear, and gear changes (if nec-
essary) will have to be made manually.
Stop the car in a safe place. Switch off then
restart the engine. If the fault is intermittent,
the transmission will operate as normal
despite the fault indicator being on. Have
the car checked at an authorized Saab
dealer.
It is not possible to select the SPORT,
WINTER or Sentronic mode when the
Limp-home mode is active.
Gear changes must be made manually.
The following gears will be engaged in the
respective selector positions when the auto-
matic transmission is in Limp-home mode:
NOTICEDue to electrical problems it may not be
possible to move the selector out of the
park position, even if the ignition is ON. If
for some reason the selector has to be
moved out of the park position (i.e. to tow
the car a short distance) do as described
below.
Position R D M L
Gear Reverse 5th 5th 2nd
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162 Starting and driving
Overheated transmission fluid If the automatic-transmission fluid should
overheat, the following message will appear
on the SID:
”Gearbox too hot. Make a safe stop.”. In this
event, stop the car in a suitable place,
switch off the engine and open the hood.
Wait for several minutes then turn on the
ignition to check that the message has gone
out. When driving subsequent to the trans-
mission fluid overheating, select a gear in
which the engine speed is about 3,000 rpm.
Overheating of the automatic-transmission
fluid can occur when the car is towing a
heavy load, such as a camping trailer in hilly
country. High ambient temperatures can
also increase the temperature of the trans-
mission fluid or the oil cooler may be faulty.
Contact an authorized Saab dealer (see
also page 178).
Driving on hilly roads with a heavy
loadThe transmission fluid can overheat when
the gearbox is strained, for example, when
driving with a trailer on hilly roads. To avoid
the transmission fluid overheating, always
drive in Normal mode. The adaptive gear
change patterns are then active.
High air temperatures or a faulty oil cooler
can also cause the transmission fluid to
overheat. Overheating reduces the service
life of the fluid. Contact an authorized Saab
dealer (see also page 178). Towing Towing of cars with automatic transmission,
see page 188.
NOTICEIf the control module has actuated the
Limp-home function for the automatic
transmission, the car will remain in 5th
gear when D is selected, making it very
sluggish.
Select position L to prevent unnecessary
wear on the transmission. The transmis-
sion then starts in 2nd gear. Once the car
is moving you can select position D.
When the indicator light is on, the car
must not be driven with a caravan or
trailer attached.
WARNING
Remember to use engine-braking (selec-
tor position D or L) to spare the brakes
when you are driving on a long or steep
downhill slope.
Brake failure can result from overheated
brakes!
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164 Starting and drivingSelector positions
P
To shift out of the P position you must
depress the brake pedal and the ignition
must be ON.
The parking position (P) must only be selected
when the car is at a complete standstill. The
selector lever is locked and the transmission is
mechanically immobilized. Always apply the
parking brake after parking the car.
The engine can be started. The key can be
removed.
R
The reverse (R) position must only be selected
when the car is at a complete standstill. The
detent-release button must be pressed before
the selector lever can be moved to R. Wait until
reverse gear has engaged (car starts to creep)
before touching the accelerator.
N
In the Neutral position (N), the transmission is
disengaged from the engine. The engine can be
started, but first ensure that the parking brake is
on, to prevent the car from moving off unexpect-
edly.
To prevent the engine and transmission from
becoming hotter than necessary, select N for
stops other than brief ones, e.g. if stuck in a traf-
fic jam.
The normal drive position (D) is recommended
for waiting at traffic lights.
D
The Drive position (D) is the position for normal
motoring. Gear changes between 1st and 5th
will take place automatically, the timing of which
is determined by the throttle (accelerator) posi-
tion and the speed of the car.
After moving the selector lever to D, pause to
give the gear time to engage (car starts to pull).
M
Move the selector lever from position D to M to
allow you to change gear manually. Refer to
page 163.
L
Select position L if you wish to drive in 1st gear.
No upchanges will be made if you pull off in posi-
tion L. If you move the selector lever from posi-
tion D or M to L at a high vehicle speed, the
transmission will automatically shift down
through 4th, 3rd and 2nd gears to 1st gear,
depending on the car’s speed. Use this position
for descending steep hills if the car is heavily
loaded to spare the brakes.
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171 Starting and driving
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.
To ensure that the system works as
designed, the dimensions of all four tires
must be the same.
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 indicatorThe indicator light will come on for
4 seconds when the ignition key is turned to
ON, while an internal system check is per-
formed.
The light 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, TCS will help to
improve the stability of the car. This does
not mean that car can be driven faster.
The same care and prudence as normally
applied should be displayed on cornering
and when driving on slippery roads.
IB1766
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172 Starting and drivingTCS 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.
Turning the TCS off The TCS is switched on automatically when
the engine is started.
The system can be switched off manually by
the TCS button, whereupon on the
main instrument panel will come on. The
TCS system cannot be switched off if the car
is travelling faster than 35 mph (60 km/h).
It may be necessary to switch off the system
if the car has become bogged down, for
instance. Press TCS to switch it on again.
If a fault is detected in the ABS system, the
TCS will be switched off automatically.
The cruise-control system will automatically
be disengaged after one second if it is active
when the TCS starts to operate.
Electronic Stability
Program (ESP)The Electronic Stability Program employs
both the antilock braking system (ABS) and
the traction control system (TCS). It is a
safety system that helps the driver to stabi-
lize the car in unusual circumstances that
can otherwise be difficult to handle.How the ESP system worksThe Electronic Stability Program can help to
prevent the car from skidding by braking
one or several wheels independently of the
driver. The engine output is then also
reduced to prevent the driving wheels from
spinning. The car has sensors that measure
wheel speed, yaw acceleration, lateral
acceleration, steering wheel position and
braking pressure. The values provided by
these sensors are used to calculate the
actual direction of the car. If this direction
does not agree with that intended by the
driver, calculated from the steering wheel
position, the ESP is engaged.
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173 Starting and driving
ESP improves the driver’s chances of
retaining control over the car in critical situ-
ations.
To ensure that the system works as
designed, the dimensions of all four tires
must be the same.
ESP indicator lightThe indicator light in the tachometer
comes on for a short period of time when the
ESP system is operative.
Operation of the ESP indicates reduced
cohesion between the tires and the road,
and that extra care should be taken by the
driver.ESP OFFThe light in the rev counter comes on
if:
 A fault has been detected and the system
has therefore been switched off.
 The system has been switched off manu-
ally.
 When the ignition key is turned to the ON
position, the lamp is lit for about four sec-
onds while the system undergoes a
self-test.
Turning ESP offThe system can be turned off manually with
the ESP button, whereupon the light
on the main instrument panel will come on.
The ESP system cannot be switched off if
the car is travelling faster than 35 mph
(60 km/h).
The ESP is always operative during brak-
ing, even if it has been switched off manu-
ally.
WARNING
When driving normally, ESP will help to
improve the stability of the car. This does
not mean that car can be driven faster.
The same care and prudence as normally
applied should be displayed on cornering
and when driving on slippery roads.
IB1841
Increased stability with ESP.
The system applies the brakes to the
wheels as shown to prevent the car from
skidding
IB3051
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191 Starting and driving
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.To jump start your vehicle:
1 Check the other vehicle. It must have a
12-volt battery with a negative ground
system.
2 Get the vehicles close enough so the
jumper cables can reach, but be sure the
vehicles are not touching each other. If a
poor connection on the negative jumper
cable should exist, it is possible for
damage to be caused to electrical sys-
tems/components of either vehicle
should inadvertent contact be made.
You would not be able to start your car
and bad grounding could damage elec-
trical systems.
3 Turn off the ignition on both vehicles.
Turn off all lights that are not needed,
and radios. This will avoid sparks and
WARNING
 When working on the battery, highly
explosive gas can build up. A spark
could ignite this gas that collects
around the battery.
Therefore, always avoid sparks and
open flames in the vicinity of the bat-
tery.
 The battery contains corrosive sulfuric
acid. Always wear a face mask or gog-
gles when working on the battery.
 If battery acid gets into the eyes or
splashes onto skin or clothing, wash
the affected area liberally with water.
If acid gets into the eyes or a large
quantity makes contact with the skin,
seek medical help.
 Battery posts, terminals and related
accessories contain lead and lead
compounds. Wash your hands after
handling.
NOTICEIgnoring these steps could result in costly
damage to your vehicle that would not be
covered by your warranty.
Trying to start your car by pushing or pull-
ing it could damage your vehicle, even if
you have a manual transmission. If you
have an automatic transmission, your
vehicle cannot be started by pushing or
pulling it.
NOTICEIf the other system is not a 12-volt system
with a negative ground, both vehicles can
be damaged.
WARNING
You could be injured if the vehicles roll.
Set the parking brake firmly on each vehi-
cle. Put an automatic transmission in P
(Park) or a manual transmission in Neu-
tral.
+
–
+
–
IB484
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195 Starting and driving
When an object is approximately 3 feet
(90 cm) from the car, the sound pulses
change character markedly. A distance of
about 3 feet (90 cm) is suitable if you wish
to load or unload the luggage compartment.
If the distance between an object and the
corner sensors does not change for three
seconds, e.g. if you are reversing alongside
a wall, the system will switch to monitoring
straight back. The system indicates if the
distance to the wall decreases again.
The system can be disengaged for when
driving with a trailer. Press and hold the
CLEAR button on the SID when the display
shows "PARK ASSIST", until the display
shows "PARK ASSIST OFF". The system is
re-engaged in the same way. The system is
also always activated when the ignition key
is turned to ON. Pressing a SID button briefly will not disen-
gage the system, the display will simply
show the previously selected function.
Ice, snow and dirt can affect the sensitivity
of the sensors. In such cases a continuous
tone will sound warning the driver that the
system cannot measure the distance to an
object. You can turn the system off by press-
ing and holding the CLEAR button for
1.5 seconds.
If the text "PARK ASSIST FAILURE" is dis-
played on the SID, have the system
checked by an authorized Saab dealer.NOTICEReverse slowly so that you have time to
stop the car when the continuous tone is
heard at approx. 12 in. (30 cm).
NOTICETo function well, the sensors must be kept
clean. Ice snow and dirt can affect their
sensitivity.
Do not spray the sensors or closer than
8 in. (20 cm) to the sensors with a pres-
sure washer, as this could damage them.
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196 Starting and drivingParking brake

The parking brake is situated between the
front seats and acts on the rear wheels.
When the parking brake is on, the indicator
light on the main instrument panel will
be on. To release the parking brake, lift the
lever slightly, press the release button and
release the lever by pushing down on it.
Parking
WARNING
Always apply the parking brake when
you park the car.
Always apply the parking brake
before removing the ignition key.
 Do not use the parking brake while
driving.
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 to Reverse for manual transmis-
sion (automatic transmission: move
selector lever to P (Park)), and remove
the ignition key. Lock the car.
IB360
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201 Car care and technical information
Engine compartment
10
9
6
7
8
1
2
4
3
5
IB1773
Engine compartment1 Engine-oil dipstick/filler cap
2 Reservoir, brake/clutch fluid
3 Fuse box
4 Expansion tank, coolant
5 Washer-fluid filler cap
6Battery
7 Dipstick, automatic transmission fluid
8 Turbo unit
9 Ignition discharge module
10 Reservoir, power-steering fluid
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