Question about 1999 Saab 9-5

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1997 Saab 900--key battery replacement

I changed the batterys--How do I sync the fob with the locks? Thanks

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The short answer is you cant the dealer is the only one who can.

Posted on Mar 03, 2009


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Why is the key fob not working after flat battery?

recheck battery new doesent mean cant be defective --if battery good fob may have lost memory and u need to reprogram it or sync it turn vehicle on not start and press unlock 7-10 times if not working --than fob either internal damaged or needs to be sync by saab

Jun 01, 2015 | 2002 Saab 9-3

1 Answer

2005 Saab 9-3 Convertible randomly unlocks (mostly the trunk) with horn beeps. Key fob will not lock/unlock car (battery replaced). These might be separate issues.

If this only happens when the key fob is close enough for the car to "hear" the signals transmitted from it then chances are the fob is failing. The FOB will have to be taken apart, cleaned and inspected for contamination/corrosion/stress cracks.
If the car does this on it's own even when the FOB has no battery or is too far away to be heard, then the problem could be internal on the TWICE (Theft Warning Module) or a power lock switch.
Since you said the horn beeps I would say it is most likely a FOB inadvertently transmitting signals even when you're not pushing buttons. Repair or replace the fob and you should be okay.

Jan 04, 2015 | 2005 Saab 9-3 Arc

2 Answers

I changed the key fob battery (twice) in my 2004 9-3 but still get the Replace Battery indicator - - and cannot lock using the remote... although unlocking works fine. How can I reset the indicator t

Did you already re-sync?
"After you change the battery, be sure to put the key in the ignition and start the car so it will re-sync."
"You sync it with the key in the ignition turned to 'ON' and press the UNLOCK button 7-10 times."

This suggests removing key with gear lever in Reverse:

Perhaps helpful:

This reports a similar behavior:

Oct 06, 2014 | 2004 Saab 9-3

1 Answer

Trunk release wnen key, remote and button are inoperative

The fob is probably dead, needs a battery...if your doors dont lock with fob that would confirm this, and I believe there is also a fuse for the door button...will work when car on but not when off is a blown fuse I think.

Feb 08, 2014 | 1997 Saab 900

1 Answer

How to replace 1997 saab 900 2.0 keyfob battery

Takes a standard sized flat battery, you can do it yourself...go to to find procedure.

Basically you put the new battery in, get within 10 feet of the car and hold down one of the buttons for like 5 seconds. I have done this with my 97 900, both fobs, and they work just fine.

Nov 09, 2012 | 1997 Saab 900

1 Answer

2004 saab 9-5 remote CIM module

receiver is hidden away inside the dashboard. it could be the fob is weak or you have something interfering with the fob signals, even a fob going faulty can interfere with its own signal, if you have a spare fob try the difference with that one. if you don't have a spare its best to get one as it may come in handy, it will need programing to the vehicle but it will take up 6 fobs.

Feb 07, 2018 | Saab 9 Cars & Trucks

1 Answer

Key fob has stopped working wont turn off alam,immobiliser.

lock the car with the key and hold opver for 30 secs then press/hold unlock button on key fob for 30 secs,should reset....

Mar 21, 2010 | 1995 Saab 900

1 Answer

Key thob has stopped working, I have changed the battery but still broke, I am looking for the fuse for the central locking but cannot find it, saab 9-3 linear 2003

Saab's have very specific steps that you must follow when you change the batteries in your key fob. You might try these steps to re-sync your key fob to your security system....

If the battery has been changed outside the
car and the car is locked, proceed as follows:
1 Unlock the front left door with the traditional
key. If the car has a car alarm, this
will be tripped.
2 Open the door and insert the remote
control into the ignition switch. If the car
has a car alarm, this will be silenced.
The remote control and receiver unit are
now synchronized.

Jan 13, 2010 | 2008 Saab 9-3

1 Answer

1997 Saab 900 radio is dead.

use the numbered keys for the stations

Mar 22, 2009 | 1997 Saab 900

2 Answers

Renault megane key fob wont work

I had the same problem with mine

your key fob is now out of sync with the ECU to sync them just follow this link (renault will charge up to £180 for new key and to sync it)

Jan 03, 2009 | Renault Megane Cars & Trucks

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