1997 Mercury Grand Marquis Owner Guide 1st Printing - Page 197

The key wrench has a registration number attached to it. Keep the registration number in a safe place. Complete the registration card and return it to the manufacturer as soon as you buy the vehicle. To replace the key wrench, send the I.D. card to the manufacturer. Jump-Starting Your Vehicle Your vehicle's battery may die if you leave the lights on or any electrical equipment on after you turn the engine off. If this happens, you may be able to jump-start your vehicle with a booster battery. RWARNING The gases around the battery can explode if exposed to flames, sparks, or lit cigarettes. An explosion could result in injury or vehicle damage. RWARNING To protect yourself when charging a battery, always shield your face and eyes. Make sure that you can breathe fresh air. RWARNING Applying too much pressure on the ends when lifting a battery could cause acid to spill. Lift the battery with a carrier or with your hands on the opposite corners. RWARNING Batteries contain sulfuric acid which burns skin, eyes, and clothing. 198