2003 Nissan Maxima Key Stuck In Ignition. The Nissan Altima is equipped with a theft deterrent system that prevents the car from starting without the registered key in the ignition. You can go the whole life of the vehicle and this typically wont happen.
To avoid being in similar situations lubricate the lock cylinder car key and ignition regularly. If the incorrect ignition sequence is performed. A lot of people dont even know how simply easy it is to remove your key.
If the incorrect ignition sequence is performed.
I had this happen a few weeks ago. It Driver of an 01 maxima here. Key Stuck in Ignition Causes. They are presented somewhat in the order of most likely to least likely to be the cause.