Question about 2001 Toyota Sienna

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Alarm goes off when new battery in placed in car, when alarm finally goes off and we try to start the car the alarm goes off again and the car won't start. I do not have a key chain with an alarm deactivator. I bought the car used and was only given a regular key.

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  • Toyota Master
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Hello. If you have a FACTORY alarm system, the deactivte prodedure is to cycle the key off-on (not to start) 5 times, in the ignition. This feature is provided in case you lose the remote, or the remote battery goes dead.

Note: this will only work with the Factory system. If you have an aftermarket system, this answer will no benefit you.

Posted on Dec 12, 2009

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Posted on Jan 02, 2017

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