2003 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 426

Batteries ..-ve acid that can burn yo- And gas that can explode. You can be badly hurt if you aren't careful. See "Jump Starting" next for tips on working around a battery without getting hurt. Contact your dealer to learn how to prepare your vehicle for longer storage periods. Also, for your audio system, see Theft-Deterrent Feature on page3- 12I. Batteries ca.. hurt you. They can be dang 'OUS because: 0 They contain acid that can burn you. They contain gas that can explode or ignite. They contain enough electricity to burn you. If you don't follow these steps exactly, some or all of these things can hurt you. Jump Starting If your battery (or batteries) has run down, you may want to use another vehicle and some jumper cables to start your vehicle. Be sure to follow the steps below to do it safely. Notice: Ignoring these steps could result in costly damage to your vehicle that wouldn't be covered by your warranty. Trying to start your vehicle by pushing or pullingit won't work, and it could damage your vehicle. 1. Check the other vehicle. It must have a 12-volt battery with a negative ground system. Notice: If the other system isn't a 12-volt system with a negative ground, both vehicles can be damaged. 5-51