2001 GMC Sierra 1500 Pickup Owner's Manual - Page 161

Safety and Security Services D Automatic Notification of Air Bag Deployment -- If an air bag deploys, a priority emergency signal is sent automatically to the center. An advisor will locate your vehicle's position, try to contact you and assist you in the situation. If the center is unable to contact you, an emergency service provider will be contacted. D OnStar MED-NET -- Med-Net can store your personal medical history and provide it to emergency personnel if necessary. D Accident Assist -- An advisor can provide step-by-step guidance following an accident. D Remote Door Unlock -- To contact the center, call 1-888-4-ONSTAR. You will be required to provide your security information. An advisor will send a command to your vehicle to unlock itself. The advisor can delay unlocking your vehicle. Remote Door Unlock is disabled 48 hours after the vehicle is parked to maintain the battery charge. D Stolen Vehicle Tracking -- Call the center at 1-888-4-ONSTAR (1-888-466-7827) to report your vehicle stolen. The system can then locate and track your vehicle and the advisor will be able to notify the proper authorities. D Roadside Assistance with Location -- For vehicle breakdowns, press the OnStar button. An advisor will contact the appropriate help. D Vehicle Locator Service -- To contact the center, call 1-888-4-ONSTAR. You will be required to provide your security information. An advisor will send a command to your vehicle to sound the horn and/or flash the lamps. In order to provide you with excellent service, calls with the OnStar Center may be monitored or recorded. D Remote Diagnostics -- If an instrument panel light comes on, the center can perform a check of the engine on-board computer. An advisor can then recommend what action needs to be taken. 2-78