Health and Safety Information 83Other Important Safety Information• Only qualified personnel should service the phone or install the phone in a vehicle. Faultyinstallation or service may be dangerous and may invalidate any warranty applicable to thedevice.• Ensure that any mobile phones or related equipment installed in your vehicle are securelymounted.• Check regularly that all wireless phone equipment in your vehicle is mounted and operatingproperly.• Do not store or carry flammable liquids, gases or explosive materials in the samecompartment as the phone, its parts or accessories.• For vehicles equipped with an air bag, remember that an air bag inflates with great force.Do not place objects, including both installed or portable wireless equipment near or in thearea over the air bag or in the air bag deployment area. If wireless equipment is improperlyinstalled and the air bag inflates, serious injury could result.• Switch your phone off before boarding an aircraft. The use of wireless phone in aircraft isillegal and may be dangerous to the aircraft's operation.• Failure to observe these instructions may lead to the suspension or denial of telephoneservices to the offender, or legal action, or both.Product PerformanceGetting the Most Out of Your Signal ReceptionThe quality of each call you make or receive depends on the signal strength in yourarea. Your phone informs you of the current signal strength by displaying a numberof bars next to the signal strength icon. The more bars displayed, the stronger thesignal.If you're inside a building, being near a window may give you better reception.