Question about 2001 Mercedes-Benz S-Class

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My car alarm kept on going off all night so i disconnected the battery. When I reconnected it today in the monring, the key wouldn't turn, thus, can not start the car?????

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Lock and unlock the driver side door with the key

Posted on Dec 09, 2008

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My 1999 jeep wrangler alarm(avital) goes off and

try resetting alarm lower drivers side window and take out keys,disconnect battery and fully charge it , when you reconnect battery alarm will go off ,put key in drivers side door and turn key all the way open and all the locked 3 times then remove key that should reset alarm.

Oct 08, 2014 | Cars & Trucks

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Disable or reset car alarm on 2001 kia sephia

During a blizzard i lost my keys (with beeper) in the snow and only had my spare key in the house so when i opened my car the alarm kept going off every few seconds, after a lot of searching i found a solution:

If it is factory alarm simply disconnect the negative terminal of your battery and put your key into the ignition and turn it to the ON position, then reconnect the negative battery terminal and start car, alarm should be off and reset. worked for me :) hope this helps others in my situation.

Dec 14, 2012 | Kia Cars & Trucks

2 Answers

92 Toyota 4runner truck was running perfectly fine Later in the day went to start and the alarm just started going off and wouldn't turn off. Truck won't start even with keys turned in igniti

The alarm system somehow got activated , this is usually because the battery becomes discharged or disconnected try doing this:
Remove the key from the ignition
disconnect the negative battery terminal
put the key back in and turn to ON
exit the truck and leave door open
reconnect the battery terminal
get in and leave door open, if the alarm horn stays off it should start.

Dec 07, 2012 | 1992 Toyota 4Runner

1 Answer

Every time i turn my key my alarm goes off what should i do?

is the alarm factory installed or aftermarket?
is the key an integrated key (both security and ignition)?
so the alarm go off once engine is started?
can you start the engine with the alarm going?
if it starts, can you drive it?

Try this. disconnect car battery - both cables - leave disconnect for 5 minutes. this should remove old codes. Reconnect and retry.

Feb 14, 2012 | 1986 Porsche 928

1 Answer

My car will not start and the alarm keeps going off

Disconnect the battery then put key on and reconnect the battery. As soo as the battery is hooked up start the car by turning the key forward. Do not turn it back. After it is running disconnect the alarm

Oct 07, 2010 | 1994 Lincoln Town Car

4 Answers

1998 Jeep power drains battery over night

Before you disable your alarm try this, disconnect the alternator field plug over night, check battery voltage at the battery before you disconnect the plug then disconnect and leave alone over night, make sure you have at least 12 volts when you disconnect the alt.
Recheck battery voltage in the morning before you reconnect the field plug...

I suspect you may have a leaking diode in your alternator's internal regulator, have seen it many times on your model... Certainly worth a try. Let me know how it turns out....

Sep 16, 2009 | 1998 Jeep Grand Cherokee

1 Answer

Turn off alarm system for 1997 mercury sable

If this is a factory alarm all you have to do to turn it off is put your key in the door ,lock it then unlock it . if its not a factory alarm you will need the remote or have the entire alarm unhooked by a mechanic

Mar 24, 2009 | 1997 Mercury Sable

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