Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Power Steering Fluid
See Engine Compartment Overview for reservoir location.
When to Check Power Steering Fluid
It is not necessary to regularly check power steering fluid unless a leak is suspected in the syste ...
EPB Release
To release the EPB, place the ignition in the ON/RUN position, apply and hold
the brake pedal, and push down momentarily on the EPB switch. If you attempt to
release the EPB without the brake peda ...
Online Owner Center
Manage your vehicle (U.S.) at
buick.com. Click on "Owners,"
then "Manage My Buick/Owners Login."
Information and services
customized for your specific
vehicle — all in o ...