OnStar Services

See also:

Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. Fully functional daytime running lamps are required on all vehicles first sold in Ca ...

SERVICE SIDE BLIND ZONE ALERT SYSTEM
If this message appears, both SBZA displays will remain on indicating there is a problem with the SBZA system. If these displays remain on after continued driving, the system needs service. ...

Washer Fluid Messages
WASHER FLUID LOW ADD FLUID This message displays when the vehicle is low on windshield washer fluid. Refill the windshield washer fluid reservoir as soon as possible. See Washer Fluid for ...