35Do not leave the battery connected to a charger formore than a week, since overcharging may shortenits life.• Extreme temperatures will affect the chargingcapacity of your battery: it may require cooling orwarming first.• Do not leave the battery in hot or cold placesbecause the capacity and lifetime of the battery willbe reduced. Try to keep the battery at roomtemperature. A phone with a hot or cold batterymay not work temporarily, even when the battery isfully charged. Li-ion batteries are particularlyaffected by temperatures below 0° C (32° F).• Do not short-circuit the battery. Accidental short-circuiting can occur when a metallic object like acoin, clip or pen causes a direct connection betweenthe + and – terminals of the battery (metal strips onthe battery). For example, do not carry a sparebattery in a pocket or bag where the battery maycontact metal objects. Short-circuiting the terminalsmay damage the battery or the object causing theshort-circuiting.• Dispose of used batteries in accordance with localregulations. Always recycle. Do not dispose ofbatteries in a fire.Road safetyYour wireless phone gives you the powerful ability tocommunicate by voice, almost anywhere, anytime. Butan important responsibility accompanies the benefits ofwireless phones, one that every user must uphold.When you are driving a car, driving is your firstresponsibility. When using your wireless phone whiledriving, follow local regulations in the country or regionyou are in.Operating environmentRemember to follow any special regulations in force inthe area you are in, and always switch off your phonewhenever it is forbidden to use it, or when it may causeinterference or danger.When connecting the phone or any accessory toanother device, read its user’s guide for detailed safetyinstructions. Do not connect incompatible products.