Section 12170the need to observe restrictions on the use of radioequipment in fuel depots(fuel storage and distribution areas), chemical plants orwhere blasting operations are in progress.Areas with a potentially explosive atmosphere are oftenbut not always clearly marked. They include belowdeck on boats, chemical transfer or storage facilities,vehicles using liquefied petroleum gas (such aspropane or butane), areas where the air containschemicals or particles, such as grain, dust or metalpowders, and any other area where you wouldnormally be advised to turn off your vehicle engine.Emergency CallsThis phone, like any wireless phone, operates usingradio signals, wireless and landline networks as well asuser-programmed functions, which cannot guaranteeconnection in all conditions. Therefore, you shouldnever rely solely on any wireless phone for essentialcommunications (medical emergencies, for example).Remember, to make or receive any calls the phone mustbe switched on and in a service area with adequatesignal strength. Emergency calls may not be possible onall wireless phone networks or when certain networkservices and/or phone features are in use. Check withlocal Wireless Providers.To make an emergency call:1. If the phone is not on, switch it on.
