GMC 2002 Sierra - Manual (Page 173)

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D OnStar MED - NET: Med - Net can store your
personal medical history and provide it to emergency
personnel if necessary. (Requires activation and
additional fee.)
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 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.
D Route Support: An advisor can provide directions
or guidance to most places you want to go.
In addition, they can help you locate gas stations,
rest areas, ATMs, hospitals, hotels, stores, eateries
and more.
D Ride Assist: An advisor can locate transportation in
the event that you are unable to drive.
D Concierge Services: The concierge advisor can
obtain tickets, reservations or help with vacation/trip
planning and other unique items and services.