How do you change spark plugs on 2012 kia forte?

To change the spark plugs on a 2012 Kia Forte, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the engine cover if applicable, then locate and carefully disconnect the ignition coil connectors. Unscrew the coils, and then use a spark plug socket to remove the old spark plugs. Install the new spark plugs by hand to avoid cross-threading, torque them to the manufacturer's specifications, reattach the ignition coils, and reconnect the battery.