Cadillac 2014 XTS Owner's Manual page 237

Collision Alert
With Head-Up Display
Without Head-Up Display
When your vehicle approaches
another vehicle too rapidly, six red
lights, or the red collision alert
symbol on the HUD, will flash on the
windshield. Either eight beeps will
sound from the front, or both sides
of the Safety Alert Seat will pulse
five times.
Tailgating Alert
The vehicle-ahead indicator will
display amber when you are
following a vehicle ahead much too
closely.
Driving and Operating
Selecting the Alert Timing
With Adaptive Cruise Control
Without Adaptive Cruise Control
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