What kind of alarmsystem does a 1999 altima nissan have? It came without a key less entry. Car died?

Nissan uses a Pats key(Passive Anti Theft System), you have a chip in your key thats programmed to the ignition, as far as alarm if its equipped you should have a clicker, if it has an alarm then you can buy a new clicker and reprogramn it to car, very easy they come with instructions. but if the car died the keyless entry would not be a problem you need to check the starting charging system for a draw or low voltage, and as always load test the battery,

yeah.. call your indoors attain lock smith and function one made, idk how plenty itll value, it wont be undesirable tho...i had a ninety six niss pathfinder and to get a coded one made replaced into around 70 seventy 5 money. wish i helped :)