11. Safety At A GlanceRead these simple guidelines before using yourphone. Failure to comply with these guidelinesmay be dangerous or illegal.For more detailed safety information, see“For Your Safety” on page 54.Road Safety Comes FirstDon't use a hand-held phone while driving; park thevehicle first.Switch Off In HospitalsSwitch off your phone when near medical equip-ment. Follow any regulations or rules in force.Switch Off On AircraftMobile phones can cause interference. Using themon aircraft is illegal.Switch Off When RefuelingDo not use your phone at a refueling point. Do notuse near fuels or chemicals.Switch Off Near BlastingDo not use your phone where a blasting operationis in progress. Observe restrictions, and follow anyregulations or rules in force.Use SensiblyUse only in the normal position (to ear). Avoid un-necessary contact with the antenna when phone ison.InterferenceAll mobile phones may be subject to radio interfer-ence, which may affect the performance of yourphone. Therefore, you should never rely solely uponany cellular phone for essential communications(e.g., medical emergencies).Qualified ServiceOnly qualified service personnel may install or repaircellular phone equipment. Use only approved ac-cessories and batteries.