Cadillac 2010 DTS Owner's Manual page 238

A multiple chime sounds when this message is
displayed. See Engine Oil on page 6 15 for more
information.
Stop the vehicle immediately, as engine damage can
result from driving a vehicle with low oil pressure. Have
the vehicle serviced by your dealer as soon as possible
when this message is displayed.
If your vehicle has the Ultrasonic Front and Rear
Parking Assist (UFRPA) system, after the vehicle is
shifted out of P (Park), this message displays to remind
the driver that the UFRPA system has been turned off.
Press the set/reset button to acknowledge this message
and clear it from the DIC display. To turn the UFRPA
system back on, see PARKING ASSIST under DIC
Operation and Displays on page 4 61. See Ultrasonic
Front and Rear Parking Assist (UFRPA) on page 3 40
for more information.
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This message displays when the passenger side front
door is not closed completely. Make sure that the door
is closed completely.
This message displays when the Adaptive Cruise
Control (ACC) system will not activate due to a
temporary condition. Your vehicle does not require
service. If this message appears when you attempt to
activate the system, continue driving for several minutes
and then try activating the system again. See Adaptive
Cruise Control on page 4 14 for more information.
This symbol appears with
this message.