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'89 Riviera Security System/M.A.T.


Guest SwiftBuicks

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Guest SwiftBuicks

Hi fellas. I inherited a twenty year old Riviera and can't seem to turn the security system light off. It shines red, although I am doing everything that the manual recommends to turn it off. I suspect that the kill switch is activated (although there's no blowing of the horn, lights flashing, etc. when I open the door). I also found a little activator that looks like a wireless door lock in the collection of junk which came with the car that is marked M.A.T. I put a new battery in it but it doesn't effect the car at all. Anyone know what it is?

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Do you have the security light on all the time?

Is it security light flashing when door is open?

Do u have the keyless entry remote?

To my knowledge the car will start with the key while the alarm is going off.

Is the dash lighting up when key is on?

The 1990 Riv got the security chip

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Do you have the security light on all the time?

Is it security light flashing when door is open?

Do u have the keyless entry remote?

To my knowledge the car will start with the key while the alarm is going off.

Is the dash lighting up when key is on?

The 1990 Riv got the security chip

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Guest SwiftBuicks

The light is on all the time. The keyless remote I have which I thought might be the correct one does not effect any change in the car. It has two buttons on it. I thought perhaps it might be coded. A new battery in it didn't help. The dash goes on when the key is turned to ACC. I hired a guy to get it started.

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