Question about 1999 Volvo S80

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Cannot unlock trunk

The security button for the trunk will not turn off. i tried deactivation per the s80 manual--doesn't work. I also tried using the remote. When that didn't work i tried to open it using the master key--the key doesn't work. My battery service light has been flashing-- can't check the battery. Your help is much appreciated.

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  • Anonymous Oct 13, 2008

    battery is dead and key doesn't work

  • Anonymous Feb 09, 2009

    I have a new battery waiting to go in but can't open my trunk, even with the key!



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Did you ever find the solution to this problem...we have the same problem.

Posted on Dec 02, 2009

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Why don't you charge the battery under the hood so you can pop your trunk. You can't do anything with a dead battery.

Posted on Mar 19, 2009

  • sdonley Jul 08, 2011

    the battery is in the trunk on this car...



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Locks wont stay locked

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this might work...
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I have a 1997 infiniti I30, one day all of a sudden when I came out of a grocery store I turned the key and absoloutely nothing happened. My lights can come on inside the car but, my power windows wont...

This is from Ken on CarPros:
Here is the way to reset the security system.

Here is the systems descriptions

There are 2 security system, namely anti-theft and immobilizer.

Here are the 2 systems.

Anti-theft system is controlled by Body Control Module (BCM). BCM receives signals from hood switch, trunk switch, door switches and Local Control Modules (LCMs). There are 5 LCMs located throughout vehicle.

To set anti-theft system in armed mode, remove ignition key, close all doors, trunk and hood. Lock doors using key or remote controller. The SECURITY light will illuminate for 30 seconds, then flash in 2.4 second intervals, indicating system is in armed mode.

To cancel armed mode, unlock and open any door or trunk lid using key or remote controller. SECURITY light will flash every second, indicating system is disarmed.

Alarm will activate (horn sounds, headlights flash and starter circuit is disabled) if any of the following conditions occur while system is in armed mode:

Engine hood or trunk lid is opened using the hood or trunk lid release.
Door(s) is unlocked without key or remote controller.
Tampering with any door/trunk lid key cylinders.
To deactivate anti-theft system, unlock door or trunk using key or remote controller.

If it is the immobilizer that is preventing the engine from being started, ensure you have the correct key and the transponder is intact. Quite often keys are dropped and if it breaks open, the internals would scatter all over. When this occurs, there is a tendency for the transponder to be lost.

Please let us know happens so it will help others.

Best, Ken
I hope that helps you out!

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Emergency fuel door release for 2000 Volvo S80

Copied from Volvo Forums

I had a similar problem w recently bought 2003 S80.Several points: 1) Access your locking selonoid through the trunk interior panel ... loosen a few hex bolts and slide out for maintenance; 2) I fixed my lock by simply using light teflon-based oil (like for bike chains). I exercised it a few times and it works beautifully; 3) Not sure on your model, but gas door on the '03 unlocks when you push the associated release button under the headlight control switch. It is not designed to unlock w the key (again, check owners manual for your year). Hope this helps. master_pre08-04-2007, 09:35 AMYeah, the fuel door on my 2000 S80 is connected with the door locks. In order for it to open you have to unlock all the doors to the car. Sssnake08-14-2007, 03:39 PM Thanks Guys,

I removed the locking mechanism and applied a little silicon graphite and now it works like a charm.

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How can i open the trunk to my 1999 volvo s80 when its not opening with the key pay, or the button and i dont have a master key? I can get into the trunk from the back seat but i cant figure out how to pop...

if you look at the key there is a ridge running down the centre, the length of the key .it is this which stop you using it to open the trunk.ask a keysmith to grind it off......or buy a new key without the ridge.then turn key to the left or right to set lock to open with remote....

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2 Answers

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I may be able to help if you havent fixed it yet. I believe I had the same/similiar issue...

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