How do you change 2004 Cadillac SRX ignition coils?

To change the ignition coils on a 2004 Cadillac SRX, first disconnect the negative battery cable for safety. Remove the engine cover if necessary, then locate the ignition coils, which are situated on top of the engine near the spark plugs. Unplug the electrical connector from each coil, remove the mounting bolts, and pull the coils out. Replace them with the new coils, reattach the connectors, and reassemble any components you removed. Finally, reconnect the battery cable and start the engine to ensure proper operation.