OnStar 17572 R17 - Manual (Page 21)

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OnStar Turn-by-Turn Navigation Limitations
You should always be alert and obey traffi c and roadway laws and instruc-
tions regardless of the Turn-by-Turn instructions. Because the navigation
system uses street map information that may not have all the latest road
changes, it is possible that a street or highway is closed for construction, or
that a road has changed in some way. It’s also possible that a new street or
new subdivision road is not yet mapped into the system and your directions
may take you past a new road. If your directions take you to a road you are
not able to turn on, continue driving and wait until the system recognizes
that you missed the turn and are off the planned route. Respond to the
“Do you need instructions to get back on route?” message by saying
“Yes.” OnStar Turn-by-Turn Navigation should be able to give you a
corrected route. If the road you need to turn on is closed and you continue
to be directed to that road, please contact an OnStar Advisor by pushing the
blue OnStar button and they’ll try to fi nd an alternate route for you.
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