Huawei CarFi Quick Start Manual page 54

Do not expose your device to direct sunlight (such as on a

car dashboard) for prolonged periods.
To protect your device or accessories from fire or electrical

shock hazards, avoid rain and moisture.
Keep the device away from sources of heat and fire, such as

a heater, microwave oven, stove, water heater, radiator, or
candle.
Stop using your device or applications for a while if the

device is overheated. If skin is exposed to an overheated
device for an extended period, low temperature burn
symptoms, such as red spots and darker pigmentation, may
occur.
Do not touch the device's antenna. Otherwise,

communication quality may be reduced.
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