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•   RF signals may affect the electronic systems of 
motor vehicles. For more information, consult the 
vehicle manufacturer.
•   Do not place the device over the air bag or in the air 
bag deployment area in a motor vehicle. Doing so 
may hurt you because of the strong force when the 
air bag inflates.
•   Do not use your device while flying in an aircraft or 
immediately before boarding. Using wireless 
devices in an aircraft may disrupt wireless 
networks, present a hazard to aircraft operation, or 
be illegal. 
Operating environment
•   Avoid dusty, damp, or dirty environments. Avoid 
magnetic fields. Using the device in these 
environments may result in circuit malfunctions.
•   Do not use your device during thunderstorms to 
protect your device against any danger caused by 
lightning. 
•   Ideal operating temperatures are 0 °C to 35 °C. 
Ideal storage temperatures are 0 °C to 45 °C. 
Extreme heat or cold may damage your device or 
accessories.
•   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.