186the National Fire Protection Standard (NFPA-58). For a copyof this standard, contact the National Fire ProtectionAssociation.CautionsAny changes or modifications to your mobile device notexpressly approved in this document could void yourwarranty for this equipment and void your authority tooperate this equipment. Only use approved batteries,antennas, and chargers. The use of any unauthorizedaccessories may be dangerous and void the mobile devicewarranty if said accessories cause damage or a defect to themobile device.Although your mobile device is quite sturdy, it is a complexpiece of equipment and can be broken. Avoid dropping,hitting, bending, or sitting on it.Other Important Safety Information• Only qualified personnel should service the mobile device orinstall the mobile device in a vehicle. Faulty installation or servicemay be dangerous and may invalidate any warranty applicable tothe device.• Ensure that any mobile devices or related equipment installed inyour vehicle are securely mounted.• Check regularly that all wireless mobile device equipment in yourvehicle is mounted and operating properly.• When using a headset in dry environments, static electricity canbuild up in the headset and cause a small quick static electricalshock. To minimize the risk of electrostatic discharge from theheadset avoid using the headset in extremely dry environments ortouch a grounded unpainted metal object to discharge staticelectricity before inserting the headset.• Do not store or carry flammable liquids, gases, or explosivematerials in the same compartment as the mobile device, itsparts, or accessories.• For vehicles equipped with an air bag, remember that an air baginflates with great force. Do not place objects, including installedor portable wireless equipment near or in the area over the airbag or in the air bag deployment area. If wireless equipment isimproperly installed and the air bag inflates, serious injury couldresult.• Switch your mobile device off before boarding an aircraft. The useof wireless mobile devices in aircraft is illegal and may bedangerous to the aircraft's operation. Check with appropriateauthorities before using any function of a mobile device while onan aircraft.