Ignition key door key

[Rich69shortfleet]

Originally Posted by LockDoc

Yes, '67 and up the cars had two keys, Primary for the ignition and Secondary for the doors.
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This is confusing. I've had a number of old GM cars, which consisted of many 65s, a 64, a 67, a 70 and a 72. They ALL used the same key on the ignition and doors and the secondary key only worked on the trunk and the glovebox if the glovebox had a lock. Dad had a number of 60s and 70s GM cars and they were all the same. This covers Chevy, Olds, Pontiac and Buick.