Good morning,
Can you test the battery voltage? It needs to be 12.4 to 12.6 volts.
https://www.2carpros.com/articles/car-battery-load-test
The key may have forgot the password for the security system. I will attach the procedure for you to reset.
https://www.2carpros.com/articles/how-to-reset-a-security-system
Roy
Key with Integrated Transmitter Programming
Keys can be programming in various ways using the procedures outlined below. Using the Replacing Keys procedures will first erase all the known keys from the vehicle. Any existing keys and any new keys will then be programmed. This procedure should be used any time a key is required to be unlearned or erased from a vehicle. If a new key is being learned to a vehicle to replace a damaged, inoperative, or stolen key, the Replacing Keys procedure must be used. This ensures that the old key cannot be used to access or start the vehicle after programming.
The Adding Keys procedure does not erase any keys prior to programming. The procedure will simply program the key into the next available slot. The Adding Keys procedure should only be used when adding an additional key to the vehicle. The Adding Keys procedure should never be used to program a key to a vehicle that is having a key replaced, regardless of the cause for the replacement.
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Monday, March 30th, 2020 AT 6:23 AM