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Getting to Know Your Century

6

Oil Life Monitor

The Oil Life Monitor shows an estimate

of the oil’s remaining useful life. When

the oil life index is less than 10 percent,

the CHANGE OIL SOON light will illumi-

nate in the instrument panel. After hav-

ing the oil changed, reset the system so

it can calculate when the next oil change

is required. If you change your oil prior

to the illumination of the CHANGE OIL

SOON light, reset the system. 

Resetting the Oil Life Monitor

To reset the Oil Life Monitor, follow

these steps:

1. With the engine off, turn the ignition

key to RUN.

2. Fully push and release the accelera-

tor pedal slowly three times within

five seconds. (If the CHANGE OIL

SOON light flashes, the system is

resetting.)

3. Turn the key to OFF; then start the

vehicle. The oil life will change to 100

percent.

See Section 5 of your Owner Manual.

Increasing Speed While Using Cruise

Control

There are three ways to increase vehicle

speed while using Cruise Control:

1. Use the accelerator pedal to reach

the higher speed. Press the SET but-

ton, then release the button and the

accelerator pedal. 

2. Move the Cruise Control switch from

ON to R/A. Hold it there until reaching

the desired speed; then release it. 

3. Momentarily push the R/A button. For

every push, vehicle speed will

increase by about 1 mph (1.6 km/h).

Reducing Speed While Using Cruise

Control

To reduce speed while using Cruise

Control, use one of the following 

methods: 

• Press the SET button until you reach

the lower speed you want; then

release it. 

• To reduce speed in smaller incre-

ments, press the SET button briefly.

Each time you press it, you’ll reduce

speed by about 1 mph (1.6 km/h).

Passing Another Vehicle While Using

Cruise Control

Use the accelerator pedal to increase

speed. After removing your foot from the

pedal, the vehicle will return to the

Cruise Control speed set earlier. 

Ending Cruise Control

There are two ways to disengage Cruise

Control:

• Step lightly on the brake pedal.

• Move the cruise switch to off.

See Section 3 of your Owner Manual.

Delayed Locking 

(Automatic Power Door Locks)

Your doors will remain unlocked for

three to five seconds after you press the

door lock button, in case you need to

get right back into your car. To lock the

doors immediately, simply press the lock

switch a second time. Refer to your

Owner Manual if you prefer to complete-

ly disable this feature. 

See Section 2 of your Owner Manual.

Summary of Contents for 2005 Century

Page 1: ...te Keyless Entry Signal Security Feedback 9 Trunk Lock Release 10 Trunk Storage 10 Antilock Brake System ABS 10 Window Defogging HVAC 10 Restraint System for Children LATCH 10 Dual Climate Control Sys...

Page 2: ...teering Wheel Controls E Gear Shift Lever F Air Outlets G Side Window Defogger Outlet H Hood Release I Tilt Wheel Lever J Horn K Audio System L Ashtray M Climate Control N Glove Box O Instrument Panel...

Page 3: ...Fuel Gauge IMPORTANT The instrument panel cluster is designed to let you know about many important aspects of your vehicle s operation It is impor tant to read your Owner Manual and become familiar w...

Page 4: ...your Owner Manual Delayed Headlamp Illumination If the Automatic Headlamp Control sys tem turns on your headlamps they will stay on for 90 seconds after you turn off the ignition Delayed Headlamp Ill...

Page 5: ...n let it go Windshield Washers The windshield washer paddle is marked PUSH and is located on top of the multifunction lever Push the paddle to spray washer fluid onto the wind shield The wipers will r...

Page 6: ...2 Move the Cruise Control switch from ON to R A Hold it there until reaching the desired speed then release it 3 Momentarily push the R A button For every push vehicle speed will increase by about 1 m...

Page 7: ...r more volume compensation at faster vehicle speeds BAND Press this button to switch between AM FM1 and FM2 TUNE Turn this knob to choose a radio station Press the right or left arrow to go to the nex...

Page 8: ...rting a CD into the faceplate slot use the following controls to oper ate the player Reverse Press hold this button to reverse within a track Release it to play the passage Forward Press hold this but...

Page 9: ...the Phone Button to access OnStar s Personal Calling a hands free voice activated communications service Press the Emergency Button to connect to an OnStar Advisor who can contact the nearest emergenc...

Page 10: ...event a braking skid When you start your engine or begin to drive away you may hear a slight noise or feel a brake pedal vibration this is normal the system is simply checking itself Using Antilock Br...

Page 11: ...ture for the driver When the DUAL light is not on the TEMP control has set the temperature for the entire cabin Note Do not cover the solar sensor located in the center of the instrument panel near th...

Page 12: ...ge Jump starts The Buick Owner Center at My GMLink is a complimentary service for Buick Owners a one stop resource to enhance your Buick ownership experience Exclusive member benefits include online s...

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