and areas where the air contains chemicals or particlessuch as grain, dust, or metal powders. You should checkwith the manufacturers of vehicles using liquefiedpetroleum gas (such as propane or butane) to determineif this device can be safely used in their vicinity.Emergency callsImportant: This device operates using radiosignals, wireless networks, landline networks, and user-programmed functions. If your device supports voice callsover the internet (internet calls), activate both the internetcalls and the cellular phone. The device will attempt tomake emergency calls over both the cellular networks andthrough your internet call provider if both are activated.Connections in all conditions cannot be guaranteed. Youshould never rely solely on any wireless device for essentialcommunications like medical emergencies.To make an emergency call:1. If the device is not on, switch it on. Check for adequatesignal strength. Depending on your device, you mayalso need to complete the following:● Insert a SIM card if your device uses one● Remove certain call restrictions you have activatedin your device.© 2008 Nokia. All rights reserved.70