18Do not use your device in a hospital or near medical equipmentthat can be interfered with by radio frequencyIf you personally use any medical equipment, contact the manufacturer ofthe equipment to ensure the safety of your equipment from radio frequency.If you are using a hearing aid, contact the manufacturer forinformation about radio interferenceSome hearing aids may be interfered with by the radio frequency of yourdevice. Contact the manufacturer to ensure the safety of your hearing aid.Turn off the device in potentially explosive environmentsAlways comply with regulations, instructions and signs in potentially•explosive environments.Do not use your device at refuelling points (service stations), near fuels or•chemicals, and at blasting areas.Do not store or carry flammable liquids, gases, or explosive materials in•the same compartment as the device, its parts, or accessories.Turn off your device when in an aircraftUsing your device in an aircraft is illegal. Your device may interfere with theelectronic navigation instruments of the aircraft.Electronic devices in a motor vehicle may malfunction due to theradio frequency of your deviceElectronic devices in your car may malfunction due to radio frequency ofyour device. Contact the manufacturer for more information.Comply with all safety warnings and regulationsregarding mobile device usage while operatinga vehicleWhile driving, safely operating the vehicle is your first responsibility. Neveruse your mobile device while driving, if it is prohibited by law. For your safetyand the safety of others, practice good common sense and remember thefollowing tips:Use a hands-free device.•Get to know your device and its convenience features, such as speed dial•and redial. These features help you reduce the time needed to place orreceive calls on your mobile device.