[ 163 ]Reference information16speed control systems, air bag systems). Check with the manufacturer orits representative regarding your vehicle. You should also consult themanufacturer of any equipment that has been added to your vehicle.POSTED FACILITIESSwitch your phone off in any facility where posted notices so require.Potentially explosive atmospheresSwitch off your phone when in any area with a potentially explosiveatmosphere and obey all signs and instructions. Sparks in such areas couldcause an explosion or fire resulting in bodily injury or even death.Users are advised to switch off the phone when at a refueling point(service station). Users are reminded of the need to observe restrictions onthe use of radio equipment in fuel depots (fuel storage and distributionareas), chemical plants, or where blasting operations are in progress.Areas with a potentially explosive atmosphere are often but not alwaysclearly marked. They include below deck on boats; chemical transfer orstorage facilities; vehicles using liquefied petroleum gas (such as propaneor butane); areas where the air contains chemicals or particles, such asgrain, dust, or metal powders; and any other area where you wouldnormally be advised to turn off your vehicle engine.VehiclesOnly qualified personnel should service the phone or install the phone ina vehicle. Faulty installation or service may be dangerous and mayinvalidate any warranty which may apply to the unit.Check regularly that all wireless phone equipment in your vehicle ismounted and operating properly.Do not store or carry flammable liquids, gases or explosive materials in thesame compartment as the phone, its parts or accessories.