1996 GMC Suburban Owner's Manual - Page 219

2. Turn off the ignition on bothvehicles. Turn off all lamps that aren't 'needed,and radios. This will avoid sparks and help save both batteries. And it could save your radio! -- a CAUTION: Using a match near a bauery can causebattery .gas to explode. People have been hurt doing this, and some have been blinded. Use flashlight if a you need more light. Be sure the batteries have enough water. You don't need to add water tothe Delco Freedom@ battery (or batteries) installed in every GM new vehicle. But ifa battery has filler caps, sure be the right amount of fluid is there. it is low, add If water to take care of that first. If you don't, explosive gas could be present. Battery fluid contains acid can burn you. that Don't getit on you.If you accidentally getit in your eyesor on your skin, flush place with the water and get medical help immediately. __. .& - , . NOTICE: If you leave your radio on, it could be badly damaged. Therepairs wouldn't be covered by your warranty. 3. Open the hoods and locate the batteries. Find the positive (+) and negative (-) terminals on each battery. If your vehicle has conditioning, the auxiliary air electric fan under the hood can start up even when the engine is not running and can injure you. Keep hands, clothingand tools awayfrom any underhood electric fan. 5-3