GMC HUMMER EV 2023 Owner's Manual page 221

220 Driving and Operating
If the steering wheel light bar flashes green, the system has detected that your head and eyes may not be
directed toward the road.
First Alert
The flashing will stop when the system detects that your head and eyes appear to be directed toward
the road.
If the steering wheel light bar flashes green for too long, Super Cruise will alert the driver to take control of
steering immediately by flashing the light bar red. Also, either beeps will sound or the Safety Alert Seat will
vibrate. To view available settings from the infotainment screen, touch Settings > Vehicle > Collision/Detection
Systems.
Second Alert
Take over steering, then Super Cruise will disengage.
To re-engage Super Cruise, press . See Using Super Cruise previously in this section.
If the steering wheel light bar flashes red for too long, a voice command will tell you to take control of the
vehicle.
Take control of the steering immediately; ACC and Super Cruise will disengage.
A DIC message will indicate that Super Cruise is locked out. Super Cruise cannot be re-engaged until the vehicle
Third Alert
is turned off and turned back on again.
Continued failure to take over steering will cause the vehicle to brake to a stop and OnStar will be called. The
brake lamps and hazard warning flashers will come on.
Take control of the vehicle and continue driving.