My wife has the same car and same problem I found out that its the ignition switch. you probably can still start it. We found once you get to the turnover position where the car would usually crank if you just try to turn it a little harder then normal it starts but this is just a temporary solution eventually it will fail completely so don't waste any time and get a new ignition switch.
I just had the very same thing happen to me yesterday. My truck had been making that noise for about 2 weeks and then yesterday I went to start my truck and it died on me. My husband put in a new battery and it started right back up! It's alive!! If it is not your battery then it could aslo be your starter, but have your battery checked first. I hope that this helped:)
You might want to check the starter, but first tighten the battery connections first. The same thing happen to my wife's car. I tighten the battery connection and the lights came on and car started.
First things first. make sure the battery is good because that clicking is a dead giveaway for either a weak battery, or corroded or loose connections and wires. The battery connections must be clean dry and have an excellent connection to the terminal and the main red wire to the starter must be free of corrosion and its connections need to be tight if not you will have enough power to run everything but a large current draw like starting will not happen. If all that is good look at the starter itself ( not many parts stores will sell you just a solenoid for a new model starter and replacing it can be a project sometimes. )
Battery or Starter motor.
Either your battery is dead or starter is shot.
The old starter might of blew your battery. I would either recheck the wires to the starter make sure I did it correctly and if you did I would buy a new battery. I JUST had the same thing happen. 79 bucks for a new battery just cause its "special" really sucks!
If you have no battery then you have no power.
I have had this happen before, Make sure the battery terminals are clean and tight. Hope this helps. Can be a bad starter or corroded connections. If the battery is over 3 years old or has been discharged more than once, replace it.
Castle Infinity happened in 1996.
Infinity Cure happened in 2000.
Medabots Infinity happened in 2003.
Ricochet Infinity happened in 2007.