Nissan had a great way to let people know about the new Altima keyless ignition system by literally losing over 200,000 sets of car keys in various locations with a tag attached stating, "If found, please do not return. My Next Generation Nissan Altima has Intelligent Key with push-button ignition, and I no longer need these.” Nissan had a great way to let people know about the new Altima keyless ignition system by literally losing over 200,000 sets of car keys in various locations with a tag attached stating, "If found, please do not return. My Next Generation Nissan Altima has Intelligent Key with push-button ignition, and I no longer need these.”