2006-2009 Buick Lucerne Service & Repair Manual

Seats and Restraint Systems ........................ 7 Front Seats .............................................. 9 Rear Seats ............................................. 19 Safety Belts ............................................ 19 Child Restraints ...................................... 43 Airbag System ........................................ 70 Restraint System Check ......................... 88 Features and Controls ................................. 91 Keys ....................................................... 93 Doors and Locks .................................. 102 Windows ............................................... 108 Theft-Deterrent Systems ....................... 110 Starting and Operating Your Vehicle ..... 113 Mirrors .................................................. 129 OnStar ® System ................................... 135 Universal Home Remote System .......... 139 Storage Areas ...................................... 151 Sunroof ................................................ 153 Instrument Panel ........................................ 155 Instrument Panel Overview ................... 158 Climate Controls ................................... 182 Warning Lights, Gages, and Indicators .... 194 Driver Information Center (DIC) ............ 212 Audio System(s) ................................... 241 Driving Your Vehicle .................................. 275 Your Driving, the Road, and Your Vehicle ..................................... 276 Towing ................................................. 313 Service and Appearance Care ................... 323 Service ................................................. 325 Fuel ...................................................... 327 Checking Things Under the Hood ......... 332 Headlamp Aiming ................................. 377 Bulb Replacement ................................ 380 Windshield Wiper Blade Replacement .... 383 2007 Buick Lucerne Owner Manual M 1

Tires ..................................................... 385 Appearance Care .................................. 418 Vehicle Identiﬁcation ............................. 427 Electrical System .................................. 428 Capacities and Speciﬁcations ................ 436 Maintenance Schedule ............................... 439 Maintenance Schedule .......................... 440 Customer Assistance Information ............. 459 Customer Assistance and Information ..... 460 Reporting Safety Defects ...................... 477 Index ........................................................... 481 2

GENERAL MOTORS, GM, the GM Emblem, BUICK, the BUICK Emblem, and the name LUCERNE are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice. For vehicles ﬁrst sold in Canada, substitute the name “General Motors of Canada Limited” for Buick Motor Division whenever it appears in this manual. This manual describes features that may be available in this model, but your vehicle may not have all of them. For example, more than one entertainment system may be offered or your vehicle may have been ordered without a front passenger or rear seats. Keep this manual in the vehicle, so it will be there if it is needed when you are on the road. If the vehicle is sold, leave this manual in the vehicle. Canadian Owners A French language copy of this manual can be obtained from your dealer or from: Helm, Incorporated P.O. Box 07130 Detroit, MI 48207 Litho in U.S.A. Part No. 15862327 A First Printing © 2006 General Motors Corporation. All Rights Reserved. 3

How to Use This Manual Many people read the owner manual from beginning to end when they ﬁrst receive their new vehicle. If this is done, it can help you learn about the features and controls for the vehicle. Pictures and words work together in the owner manual to explain things. Index A good place to quickly locate information about the vehicle is the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found. Safety Warnings and Symbols There are a number of safety cautions in this book. We use a box and the word CAUTION to tell about things that could hurt you if you were to ignore the warning. {CAUTION: These mean there is something that could hurt you or other people. In the caution area, we tell you what the hazard is. Then we tell you what to do to help avoid or reduce the hazard. Please read these cautions. If you do not, you or others could be hurt. You will also ﬁnd a circle with a slash through it in this book. This safety symbol means “Do Not,” “Do Not do this” or “Do Not let this happen.” 4

Vehicle Damage Warnings Also, in this manual you will find these notices: Notice: These mean there is something that could damage your vehicle. A notice tells about something that can damage the vehicle. Many times, this damage would not be covered by your vehicle’s warranty, and it could be costly. But the notice will tell what to do to help avoid the damage. When you read other manuals, you might see CAUTION and NOTICE warnings in different colors or in different words. There are also warning labels on the vehicle. They use the same words, CAUTION or NOTICE. Vehicle Symbols The vehicle has components and labels that use symbols instead of text. Symbols are shown along with the text describing the operation or information relating to a specific component, control, message, gage, or indicator. If you need help figuring out a specific name of a component, gage, or indicator, reference the following topics: • Seats and Restraint Systems in Section 1 • Features and Controls in Section 2 • Instrument Panel Overview in Section 3 • Climate Controls in Section 3 • Warning Lights, Gages, and Indicators in Section 3 • Audio System(s) in Section 3 • Engine Compartment Overview in Section 5 5

These are some examples of symbols that may be found on the vehicle: 6

Front Seats ..................................................... 9 Manual Passenger Seat ................................ 9 Power Seats ................................................. 9 Power Lumbar ............................................. 10 Heated Seats .............................................. 11 Heated and Cooled Seats ........................... 12 Memory Seat and Mirrors ............................ 13 Reclining Seatbacks .................................... 14 Head Restraints .......................................... 17 Center Seat ................................................ 18 Rear Seats .................................................... 19 Rear Seat Pass-Through Door .................... 19 Safety Belts .................................................. 19 Safety Belts: They Are for Everyone ........... 19 Questions and Answers About Safety Belts ................................... 24 How to Wear Safety Belts Properly ............. 25 Driver Position ............................................. 25 Shoulder Belt Height Adjustment ................. 33 Safety Belt Use During Pregnancy .............. 34 Right Front Passenger Position ................... 34 Center Front Passenger Position ................. 35 Rear Seat Passengers ................................ 36 Rear Safety Belt Comfort Guides ................ 39 Safety Belt Pretensioners ............................ 42 Safety Belt Extender ................................... 42 Child Restraints ............................................ 43 Older Children ............................................. 43 Infants and Young Children ......................... 46 Child Restraint Systems .............................. 49 Where to Put the Restraint .......................... 53 Lower Anchors and Tethers for Children (LATCH) .................................... 55 Securing a Child Restraint in a Rear Seat Position ................................... 62 Securing a Child Restraint in the Center Front Seat Position ....................... 65 Securing a Child Restraint in the Right Front Seat Position ......................... 65 Section 1 Seats and Restraint Systems 7

Airbag System .............................................. 70 Where Are the Airbags? .............................. 72 When Should an Airbag Inflate? .................. 76 What Makes an Airbag Inflate? ................... 78 How Does an Airbag Restrain? ................... 79 What Will You See After an Airbag Inflates? ........................................ 79 Passenger Sensing System ......................... 81 Servicing Your Airbag-Equipped Vehicle ...... 86 Adding Equipment to Your Airbag-Equipped Vehicle .......................... 87 Restraint System Check ............................... 88 Checking the Restraint Systems .................. 88 Replacing Restraint System Parts After a Crash ........................................... 89 Section 1 Seats and Restraint Systems 8

Front Seats Manual Passenger Seat Lift the bar located under the front of the seat to unlock it. Slide the seat to where you want it and release the bar. Try to move the seat with your body to be sure the seat is locked in place. Power Seats If the vehicle has power seats, the controls used to operate them are located on the outboard side of the seats. To adjust the seat, do any of the following: • Move the seat forward or rearward by sliding the control forward or rearward. • Raise or lower the front part of the seat cushion by moving the front of the control up or down. Driver’s Seat with Power Seat Control, Power Recline, and Power Lumbar shown 9

• Raise or lower the rear part of the seat cushion by moving the rear of the control up or down. • Raise or lower the entire seat by moving the entire control up or down. If the seats have power reclining seatbacks, see “Power Reclining Seatbacks” under Reclining Seatbacks on page 14. Power Lumbar If your vehicle has this feature, the power lumbar control is located on the outboard side of the front seats. Press the lumbar control forward to increase support and rearward to decrease support in the lower seatback. Press the control up or down to raise or lower the support mechanism. Keep in mind that as your seating position changes, as it may during long trips, so should the position of your lumbar support. Adjust the seat as needed. Driver’s Seat with Power Seat Control, Power Recline, and Power Lumbar shown 10

2006-2009 Buick Lucerne Service & Repair Manual

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