Vehicles—RF signals may affect improperly installed or inadequately shielded electronic systems in motor vehicles. Check with the manufacturer or its representative regarding your vehicle. You should also consult the manufacturer of any equipment that has been added to your vehicle.
Blasting areas—To avoid interfering with blasting operations, turn your phone off when you are in a blasting area or in areas posted “Turn off two- way radio.” Obey all signs and instructions.
Potentially explosive atmospheres—Turn your phone off when you are in any area with a potentially explosive atmosphere. Obey all signs and instructions. Sparks in such areas could cause an explosion or fire resulting in bodily injury or even death.
Areas with a potentially explosive atmosphere are often, but not always, clearly marked. They include:
•fueling areas such as gas stations
•below deck on boats
•transfer or storage facilities for fuel or chemicals
•vehicles using liquefied petroleum gas, such as propane or butane
