Panasonic EB-GD93 - Manual (Page 60)

Care and Maintenance
Pressing any of the keys may produce a loud tone. Avoid holding the
phone close to the ear while pressing the keys.
Extreme temperatures may have a temporary effect on the operation of
your phone. This is normal and does not indicate a fault.
Do not modify or disassemble the equipment. There are no user
serviceable parts.
Do not subject the equipment to excessive vibration or shock.
Avoid contact with liquids. If the equipment becomes wet immediately
remove the power and contact your dealer.
Do not leave the equipment in direct sunlight or a humid, dusty or hot
area.
Keep metallic items that may accidentally touch the terminals away from
the equipment.
Always charge the Battery Pack in a well ventilated area, not in direct
sunlight, between +5°C and +35°C. It is not possible to recharge the
battery pack if it is outside this temperature range.
Avoid recharging battery packs for longer than recommended.
Do not incinerate or dispose of the battery packs as ordinary rubbish. The
battery packs must be disposed of in accordance with local legislation
and may be recycled.
When disposing of any packing materials or old equipment check with
your local authorities for information on recycling.
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Care and Maintenance