1998 Buick Riviera Owner's Manual - Page 311

4 IMPORTANT- Introduction Your Vehicle and the Environment Proper vehicle maintenance not only helps to keep your vehicle in good working condition, but helps the also environment. All recommended maintenance procedures are important. Improper vehicle maintenance can even affect the qualityof the airwe breathe. Improper fluid levels or the wrong tire inflation can increase the level of emissions from your vehicle. To help protect our environment, and to keep your vehicle in good condition, please maintain your vehicle properly. KEEP ENGINE OIL I ATTHE PROPER I LEVEL AND CHANGE AS RECOMMENDED I How This Section is Organized The remainder of this section is divided into parts: five Have you purchased the GM Protection Plan? The Plan supplements your new vehicle warranties. See your Warrantyand Owner Assistance booklet, or your Buick dealerfor details. "Part A: Scheduled Maintenance Services" shows what to have done and how often. Somethese of services canbe complex, so unless you are technically qualified and have the necessary equipment, you should let your dealer's service department or another qualified service center do these jobs. 7-2