Kyocera ENERGI K490 User Manual page 13

Vehicles—RF signals may affect improperly installed or inadequately
shielded electronic systems in motor vehicles. Check with the
manufacturer of the device to determine if it is adequately shielded from
external RF energy.
Blasting areas—Turn off your phone where blasting is in progress. Observe
restrictions, and follow any regulations or rules.
Potentially explosive atmospheres—Turn off your phone 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 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
User Guide for the Kyocera Energie K490 Phone xiii