Question: how to change spark plugs autozone?
Answer: Safety First. Park your vehicle on a flat, dry surface and ensure the engine is cool. ... 
Remove the Spark Plug Wire. First, remove any interference items. ... 
Remove the Coil On Plug (COP) ... 
Unscrew the Spark Plug. ... 
Put in the New Spark Plugs. ... 
Re-install the Spark Plug Wires or Ignition Coils (COP) ... 
Start Up the Engine.