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Only qualified personnel should service the device, or install the device in a vehicle. Faulty
installation or service may be dangerous and may invalidate any warranty that may apply to
the device. Check regularly that all wireless device equipment in your vehicle is mounted
and operating properly. Do not store or carry flammable liq uids, gases, or explos ive materials
in the same compartment as the device, its parts, or enhancements. For vehicles equipped
with an air bag, remember that air bags inflate with great force. Do not place objects,
including installed or portable wireles s equipment in the area ove r the air bag or in the ai r
bag deployment area. If in-vehicle wireless equipment is improperly installed and the air bag
inflates, serious injury could result.
■Airplanes
Using your device while flying in aircraft is prohibited. Switch off your device before
boarding an aircraft. The use of wireless teledevices in an aircraft may be dangerous to the
operation of the aircraft, disrupt the wireless telephone network, and may be illegal.
■Potentially explosive environments
Switch off your device when in any area with a potentially explosive atmosphere and obey
all signs and instructions. Potentially explosive atmospheres include areas where you would
normally be advised to turn off your vehicle engine. Sparks in such areas could cause an
explosion or fire resulting in bodily injury or even death. Switch off the device at refuelling
points such as near gas pumps at s ervice stations. Obser ve restrictions on the use of radio
equipment in fuel depots, storage, and di stribution areas, chemical plants or where blasting
operations are in progress. Areas with a potentially explosive atmosphere are often but not
always clearly marked. They include below deck on boats, chemical transfer or storage
facilities, vehicles using liquefied petroleum g as (such as propane or butane), a nd areas
where the air contains chemicals or particles such as grain, dust or metal powders.