The clicking may be the belt tensioner clicking. I know that mine is causeing a clicking noise. If you get a friend to help you, you will be able to see it happen if that is the case.
It depends. If it is a loud clicking sound you will want to take it to a professional Immediatly! Without Delay!
A clicking sound when you turn the key could mean your battery is dead. It could also indicate the starter is going out.
Have the alternator checked.
Could be many, many reasons some as simple as a small stone caught inside a hub cap.
Perhaps clutch throw-out bearing?
if you have an electrical fuel pump can sometimes do that
You should check the cv joints on your drive line. When they start to go bad they'll start clicking when you turn.
right inner fender
Not much info to go on but it could be the exhaust system heating up or cooling down.
Weak battery, corroded or loose battery cables, failed starter.
A bad resistor can cause your BCM to make a clicking sound. The clicking noise can be caused by the relays and replacing the BCM will fix the problem.
The clicking sound from the air vents when the heat is turned on could be caused by a problem with the blend door actuator or a buildup of debris in the vents.