Doors won't lock sometimes

[kendrick]

I turn off the engine, put key in my pocket, bell is ringing as if i had left the key in the ignition. i push the button on the door to lock all the door, the horn sounds twice and all doors unlock. i try this several times and does the same. i finally try the key bolb and the doors will lock.
i park the truck in a locked garage so i leave the key in the ignition. sometimes i come out to get into the truck and all door are locked. i use the key pad on the door to get into the truck

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[RonFLA]

Check the manual. This is a safety feature that can be changed in settings to ignore or lock.

 

[kendrick]

Check the manual. This is a safety feature that can be changed in settings to ignore or lock.

thanks for your reply. this is not a setting problem and it doesn't happen all the time.

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