09 Maintenance and servicing
Battery09
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4. Disconnect the negative (ground) cable
first.
5. Disconnect the positive cable and pull theventilation hose from the battery.
6. Lift out the old battery and put a new bat- tery into place.
7. Connect the positive cable first.
8. Connect the negative (ground) cable.
9. Be sure that the ventilation hose is securely connected to the battery and that the other end of the hose is properlyrouted through the ventilation opening inthe floor of the battery compartment.
G030884
Ventilation hose
10. Reinstall the cover and retaining bracket and screw it securely in place.
NOTE
After the battery has been disconnected or replaced, lock and unlock the vehicle withthe central locking system's remote key toreactivate such features as the power win-dows, moonroof, courtesy lighting, etc.
WARNING
•The battery generates hydrogen gas, which is flammable and explosive. Thebattery is fitted with a ventilation hosewhich vents hydrogen gas out of thebattery compartment through a venti-lation opening in the bottom of thiscompartment. If the battery must bereplaced, it is essential that the ventila-tion hose is properly connected to thebattery and that it is routed throughthe ventilation opening provided (seeillustration).
• Be sure the ventilation hose is free ofdebris.
• Only use replacement batteries equip-ped with a ventilation hose. Consult atrained and qualified Volvo servicetechnician.