2009 Dodge Challenger Owner's Manual - Page 378

376 MAINTAINING YOUR VEHICLE Engine Air Cleaner Filter Engine Air Cleaner Filter Selection Refer to the "Maintenance Schedule" in Section 8 for The quality of replacement engine air cleaner filters proper maintenance intervals. varies considerably. Only high quality filters should be used to assure most efficient service. MOPAR engine air WARNING! cleaner filters are a high quality filter and are recommended. The air induction system (air cleaner, hoses, etc.) can Maintenance-Free Battery provide a measure of protection in the case of engine backfire. Do not remove the air induction system (air The top of the maintenance-free battery is permanently sealed. You will never have to add water, nor is periodic cleaner, hoses, etc.) unless such removal is necessary maintenance required. for repair or maintenance. Make sure that no one is near the engine compartment before starting the NOTE: The battery is stored under an access cover in vehicle with the air induction system (air cleaner, the trunk. Remote battery terminals are located in the hoses, etc.) removed. Failure to do so can result in engine compartment for jump-starting. serious personal injury.