2006 SAAB 9-5 wiring

176 Starting and driving2 Wait until the needle has dropped back
to indicate normal temperature (roughly
midway, in the white zone) before stop-
ping the engine. If the coolant needs top-
ping up, unscrew the cap on expansion
tank carefully.
Top up, as necessary, ideally with a
50/50 mixture of Saab-approved coolant
and water. If only water is available, use
that, but remember to have the coolant
mixture checked as soon as possible. 3 As soon as possible, have the cooling
system checked by a workshop. We rec-
ommend that you contact an authorized
Saab dealer.
Towing a trailer





Trailer hitch attachment




Trailer hitch attachments are available as
accessories. These are designed for a max-
imum trailer weight of 3500 lbs. (1588 kg),
see also page 261.
Use only the electrical trailer hitch socket
provided in the trailer hitch kit.

Saab recommends:
 Use a Saab original hitch kit attachment
which is designed and tested by Saab.
 Consult your Saab dealer regarding the
appropriate hitch kit for your car.
WARNING
 Exercise care when opening the hood
if the engine is overheated. Never
remove the expansion tank cap com-
pletely when the engine is hot.
 The cooling system is pressurized -
hot coolant and vapor can escape.
These can cause injury to your eyes
and burns. Open the cap slowly to
release the pressure before
removing it.
WARNING
 When towing a trailer, do not attempt
to negotiate a hill having a gradient in
excess of 15 %. The weight distribu-
tion over the front wheels of the car will
be insufficient to prevent wheelspin,
making further progress impossible.
 In addition, the parking brake may not
always be able to hold the car and
trailer securely, with the result that the
wheels can start to slide downhill.
 Always apply the trailer’s parking-
brake when unhitching it. There is oth-
erwise a risk of personal injury or
damage to the bumper should the
trailer start to roll.
NOTICEUse only a genuine Saab trailer hitch and
wiring, since other wiring methods can
cause expensive damage to the car’s
body and electrical system.
We recommend that you consult an
authorized Saab dealer for guidance on
how to connect the trailer hitch electrical
system.
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207 Car care and technical information
Changing bulbsCheck that the new bulb is working when finished.
Use only "Long Life" bulbs.
Headlight aiming, see page 250.
Xenon headlight




Xenon headlights produce roughly twice as much light as halogen
bulbs and have a significantly longer service life.
The lamp units consist of a gas discharge lamp containing xenon.
When the lights are switched on a very high voltage activates the
xenon gas. The lamps soon reach full intensity.
Cars with xenon headlights have automatic levelling. The levelling
system comprises two sensors on the front axle, one on the rear axle
and a control unit under the headlight housing. Headlight alignment
is regulated automatically to prevent dazzling oncoming traffic.
Alignment is also adjusted during braking.
WARNING
Before changing a bulb in the engine bay, switch off the engine to
avoid danger of fingers and hands being injured by moving parts.
The radiator fan can start up even when the engine is switched off.
Xenon headlights




are high voltage and must therefore be
changed at a workshop. We recommend that you contact an
authorized Saab workshop. Work involving high-voltage
components is potentially lethal.NOTICE Since the headlight lenses are made of plastic, rinse dried-on
dirt with water and allow it time to soften up before cleaning
the lenses. Avoid rubbing the lenses when dry and never use
solvents.
 Use de-icer spray instead of scraping the ice off.
NOTICE Do not fit bulbs with a higher rating than 55 W, since the head-
light reflector and the wiring of the car are not designed for a
higher wattage.
 Switch off the ignition before changing a bulb, to avoid possi-
ble short-circuiting.
 Do not touch the glass of the bulbs with your fingers. The oil
on your skin can shorten the life of the bulb.
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218 Car care and technical information
Bulb tableA special kit containing spare bulbs and fuses is available as an
accessory from your Saab dealer. A storage space for this is pro-
vided adjacent to the toolkit and jack, under the panel in the luggage
compartment.# Cap Wattage
1 H7 55 Headlight
2 H8 35 Fog light
3 P21W 21 Reversing lamp; rear fog lamp; rear direc-
tion indicator
4 P21/5W 21/5 Stop/tail lamp
5 R10W 10 Dome light; courtesy lights; glove com-
partment; luggage compartment
6 R5W 5 Safety belt reminder; license-plate lighting
7 Xenon
w9U6 Reading light, overhead panel
8 T4W 4 Reading light, rear
9WY5W/
W5W5 Side indicators (yellow);/ high-mounted
stop light (9-5 Sedan); parking lights
10 W2W 1.2 SwitchesNOTICEOnly fit lamps of the specified rating. Lamps of the wrong wattage
could damage the wiring harness and electronics.
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