Buick Lucerne 2007 Owner's Manual page 229

SERVICE BRAKE ASSIST
This message displays if there is a problem with
the brake system. The brake system warning
light and the anti-lock brake system warning light
may also be displayed on the instrument panel
cluster. See Brake System Warning Light on
page 203 and Anti-Lock Brake System Warning
Light on page 204 for more information. If this
happens, stop as soon as possible and turn off the
vehicle. Restart the vehicle and check for the
message on the DIC display. If the message is
displayed or appears again when you begin
driving, the brake system needs service. See your
dealer as soon as possible. See Brakes on
page 366 for more information.
SERVICE BRAKE SYSTEM
This message displays if the ignition is on to
inform the driver that the brake fluid level is low.
Have the brake system serviced by your dealer as
soon as possible. The brake system warning
light also appears on the instrument panel cluster
when this message appears on the DIC. See
Brake System Warning Light on page 203.
SERVICE PARK ASSIST
If your vehicle has this feature, this message
displays if there is a problem with the Ultrasonic
Rear Parking Assist (URPA) system. Do not
use this system to help you park. See Ultrasonic
Rear Parking Assist (URPA) on page 180 for more
information. See your dealer for service.
SERVICE POWER STEERING
Your vehicle may have a speed variable assist
steering system. See Steering on page 287.
This message displays if a problem is detected
with the speed variable assist steering system.
When this message is displayed, you may notice
that the effort required to steer the vehicle
decreases or feels lighter, but you will still be able
to steer the vehicle.
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