Saab 2006 9-3 Owner's Manual page 118

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Functions
Pressing AUTO will cancel all manual settings.
If a manual function is selected, it will be locked in but other functions
will be controlled automatically.
The selected temperature is always maintained automatically.
Temperature, air distribution, fan speed and recir-
culation will be controlled automatically.
In falling temperatures the A/C compressor is
switched off at approx. 32°F (0 °C).
In rising temperatures the A/C compressor is
switched on at approx. 40°F (+5 °C).
If, when starting the car, the outside air temperature
is between 32°F and 40°F (0 and +5 °C), the A/C
compressor is switched on.
Pressing AUTO once will cancel all previous manual
air distribution selections.
When the engine is started, the ACC system will be
in AUTO mode, provided that no air distribution set-
tings are programmed under Profiler (see
page 124).
Instruments and controls
The A/C compressor must be turned on and off
manually with the AC button.
The compressor can only be turned on or off while
the engine is running.
This function has two modes:
• AC – The system cools and dehumidifies the
incoming air. This symbol is not shown in the
display.
• AC-OFF – The A/C compressor is switched off.
The incoming air is not cooled or dehumidified.
See also Profiler on page 124.
118

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Questions and answers

Benjamin
February 28, 2025

My Saab 2006 9.3 has a manual on/off switch that was added by the previous owner. You turn the key to on position, you flip the switch on, and then you turn the key to the, you know, start position. I'm new to that whole setup, and so I accidentally turned the switch off first before turning the key off. Now the car won't start. How donI fix this?

1 comments:
Mr. Anderson
February 28, 2025

To fix a Saab 2006 9-3 that won't start after turning off a manual on/off switch, follow these steps:

1. Check Fuses – Reset the fuses related to the ignition and steering system.
2. Inspect the Ignition Switch Module (ISM) – Ensure it is functioning properly and receiving power.
3. Verify Electronic Response – If interior electronics are unresponsive but remote locks work, there may be an issue with power distribution.
4. Check Starter Circuit – Ensure the IGN #1, IGN #2, and START outputs are properly connected if modifications were made.
5. Test the Fuel Pump Signal – Some engines require a wake-up signal to prime the fuel pump for starting.

If these steps do not resolve the issue, seeking assistance from a Saab dealer or a professional mechanic is recommended.

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9-3 20069-3 m2006

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