2010 GMC Savana 2500 Cargo Owner's Manual - Page 302

Battery Refer to the replacement number on the original battery label when a new battery is needed. See Engine Compartment Overview on page 6-14 for battery location. Vehicle Storage { WARNING: Batteries have acid that can burn you and gas that can explode. You can be badly hurt if you are not careful. See Jump Starting on page 6-41 for tips on working around a battery without getting hurt. Infrequent Usage: Remove the black, negative (−) cable from the battery to keep the battery from running down. Extended Storage: Remove the black, negative (−) cable from the battery or use a battery trickle charger. { DANGER: Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling. 6-40