Thank you to everyone for your input

Thanks for responding, BigKev.
Should the side lever control pull up to lock the seat in place or release the seat for movement?
Mine is not working either way. Attached is a picture of the mechanism.

I am having an issue with my 1937 115C front seat not locking. It slides back and forth when being driven. Can someone help with this serious problem?

Can anyone tell me where I can find a double horn
for a 1937 Packard Six Cylinder 115 Touring Sedan

Are the grills for the 1937 Packard Six
115C Touring Sedans coated with chrome or stainless steel?

Yes. The handle locks on the inside.
What is the purpose of the handle on the outside the door with a lock if there is no connection with the internal lock.

What is the purpose of the handle on the outside of of the door with a lock if there is no connection with the internal lock

I have a 1937 Packard 115-C. The handle lock is similar to what has been mentioned. I have replaced the cylinder lock with a new one, but I can not get the door unlocked. Are there any suggestions for trouble shooting?

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I have a 37. It looks similar to your horn. Disconnect the battery first.
Press the horn button in the center and hold down while turning slightly to left or right to disengage from the housing. There is also a wire running through the steering column that you will have to trace down and disconnect to take the button completely out.

Good luck

I need a horn and all of the brackets and relay for a 1937 Packard 115C