How do you change spark plugs on 1999 dodge avenger?

To change the spark plugs on a 1999 Dodge Avenger, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the ignition coil or spark plug wires carefully, then use a spark plug socket and ratchet to unscrew the old spark plugs. Install the new spark plugs by hand to avoid cross-threading, then tighten them to the manufacturer's specifications. Reconnect the ignition coil or spark plug wires and reconnect the battery terminal.