Run a Little cooking oil down the Key into the lock Most likely you have a dust and small filings from the lock jaming it
Get a wet towel and slide it between the keys.
The dealer you bought it from may have the key code on file. The key code allows them to cut a key without having the original.
Lost ignition keys for newer vehicles can be obtained from the vehicle dealership. Lost keys for a 1978 Honda Accord will require the replacement of the ignition.
They do have ignition keys. You must have the key on your person for the start button to work.
Get a piano tuner to look at it. Or else see if there is anything stuck in the piano that shouldn't be there
Why won't the keys in the ignition turn on a 1992 grand marquis?
Yes, originally the door and ignition keys are the same. but if you have to replace your ignition / steering column, you will have a different (re-keyed) key for the door and for the ignition.
You do not need a key to replace the ignition switch.
Yes
Take it to the dealer
the ignition keys are dealer only items.
Because 99 model has automatic headlights, in order to turn it off you have to turn the headlight switcher off, and also remove keys from the ignition.