2003 Subaru Impreza Owner's Manual - Page 312

In case of emergency WARNING Never place a tire or tire changing tools in the passenger compartment after changing wheels. In a sudden stop or collisions, loose equipment could strike occupants and cause injury. Store the tire and all tools in the proper place. Jump starting WARNING D Battery fluid is SULFURIC ACID. Do not let it come in contact with the hooks, skin, clothing or the vehicle. If battery fluid gets on you, thoroughly flush the exposed area with water immediately. Get medical help if the fluid has entered your hooks. If battery fluid is accidentally swallowed, immediately drink a large amount of milk or water, and obtain immediate medical help. Keep everyone including children away from the battery. D The gas generated by a battery explodes if a flame or spark is brought near it. Do not smoke or light a match while jump starting. D Never attempt jump starting if the discharged battery is frozen. It could cause the battery to burst or explode. D Whenever working on or around a battery, always wear suitablehookprotectors, and remove metal objects such as rings, bands or other metal jewelry. 9-14