2004 Cadillac CTS Owner's Manual - Page 335

9. Connect the other end of the negative (−) cable at least 18 inches (45 cm) away from the dead battery, but not near engine parts that move. 10. Now start the vehicle with the good battery and run the engine for a while. 11. Try to start the vehicle that has the dead battery. If it won't start after a few tries, it probably needs service. Notice: If the jumper cables are removed in the wrong order, electrical shorting may occur and damage the vehicle. The repairs would not be covered by your warranty. Remove the jumper cables in the correct order, making sure that the cables do not touch each other or other metal. The electrical connection is just as good there, and the chance of sparks getting back to the battery is much less. 5-49