Service Air Bag; Service Brake System - Buick 2009 Lucerne Owner's Manual

SERVICE A/C (Air Conditioning)
SYSTEM
This message displays when the electronic sensors that
control the air conditioning and heating systems are
no longer working. Have the climate control system
serviced by your dealer/retailer if you notice a drop in
heating and air conditioning efficiency.

SERVICE AIR BAG

This message displays when there is a problem with the
airbag system. Have your vehicle serviced by your
dealer/retailer immediately. See Airbag Readiness Light
on page 3-38 for more information.
SERVICE BATTERY CHARGING
SYSTEM
This message displays when there is a problem with the
generator and battery charging systems. Driving with
this problem could drain the battery. Turn off all
unnecessary accessories. Stop and turn off the vehicle
as soon as it is safe to do so. Have the electrical
system checked by your dealer/retailer immediately.
SERVICE BRAKE ASSIST
This message displays if there is a problem with the
brake system. The brake system warning light and the
antilock brake system warning light may also be
displayed on the instrument panel cluster. See Brake
System Warning Light on page 3-40 and Antilock Brake
System (ABS) Warning Light on page 3-41 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/retailer as soon as possible. See Brakes
on page 5-40 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/retailer 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 3-40.
3-65