If the key is broken -- then the best thing to do is to take the broken key down to your local locksmith shop and have them duplicate the key from the two pieces. if you cannot get the broken piece out of the lock then take the whole safe down to your local locksmith shop and have them dig it out and copy the key for you. if the safe is bolted to the floor and you cant move it and you cant get the broken piece out of the lock then you will need to have the locksmith come out to your house and extract the key and duplicate it for you and then you will be able to get into the safe using the new key and replace the battery.
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If the key is broken -- then the best thing to do is to take the broken key down to your local locksmith shop and have them duplicate the key from the two pieces. if you cannot get the broken piece out of the lock then take the whole safe down to your local locksmith shop and have them dig it out and copy the key for you. if the safe is bolted to the floor and you cant move it and you cant get the broken piece out of the lock then you will need to have the locksmith come out to your house and extract the key and duplicate it for you and then you will be able to get into the safe using the new key and replace the battery.
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