Huawei CarFi Quick Start Manual page 57

Do not drop or cause an impact to the power adapter. If it is

damaged, take it to an authorized service center for
inspection.
If the power cable is damaged (for example, the cord is

exposed or broken), or the plug loosens, stop using it at
once. Continued use may lead to electric shocks, short
circuits, or fire.
Do not touch the device or the power adapter with wet

hands. Doing so may lead to short circuits, malfunctions, or
electric shocks.
If your power adapter has been exposed to water, other

liquids, or excessive moisture, take it to an authorized service
center for inspection.
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