Potentially explosive environmentsSwitch your device off in potentially explosive environments, such as near gasoline pumps. Sparks maycause an explosion or fire resulting in injury or death. Note restrictions in areas with fuel; chemicalplants; or where blasting operations are in progress. Areas with a potentially explosive environmentmay not be clearly marked. These usually are areas where you are advised to switch your engine off,below deck on boats, chemical transfer or storage facilities, and where the air contains chemicals orparticles. Check with the manufacturers of vehicles using liquefied petroleum gas (such as propane orbutane) if this device can be safely used in their vicinity.nokiauserguides.comnokiauserguides.com