97Caring for the CameraTechnical NotesC Batteries• Check the battery level when taking the camera out, and replace the batteries if necessary (A 18).If possible, carry spare batteries when taking pictures on important occasions.• Battery capacity tends to decrease on cold days. Be sure that the batteries are fresh before headingoutside to take pictures in cold weather. Keep spare batteries in a warm place and exchange asnecessary. Once warmed, a cold battery may recover some of its charge.• Dirt on the battery terminals can prevent the camera from functioning.• Used batteries are a valuable resource. Please recycle used batteries in accordance with localregulations.