Ultrasonic Parking Sensor Light

This light comes on to indicate that there is a malfunction in the system.
See your dealer for service.
See Ultrasonic Parking Assist and Driver Information Center (DIC) for more information.
See also:
How to Add Coolant to the Surge Tank
WARNING:
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol and
it will burn if the engine parts are hot enough. Do
not spill coolant on a hot engine.
...
Passing
More passing distance is needed
when towing a trailer. Because the
rig is longer, it is necessary to go
farther beyond the passed vehicle
before returning to the lane. ...
Accessories and Modifications
When you add non-GM accessories to your vehicle
they can affect your vehicle’s performance and
safety, including such things as, airbags, braking,
stability, ride and handling, emissions systems, ...
