1998 Pontiac Bonneville Owner's Manual - Page 321
1998 Pontiac Bonneville Manual
Page 321 highlights
c IMPORTANT: I KEEP ENGINE OIL AT THE PROPER LEVEL AND CHANGE AS RECOMMENDED Introduction Your Vehicle and the Environment Proper vehicle maintenance not only helps keep your to vehicle in good working condition, also helps the but environment. All recommended maintenance procedures vehicle maintenance can even are important. Improper affect the qualityof the air we breathe. Improper fluid the levels or the wrong tire inflation can increase level of emissions from your vehicle.To help protect our environment, andto keep your vehicle in good condition, please maintain your vehicle properly. GM - 1 Have you purchased the GM Protection Plan? The Plan supplements your new vehicle warranties. See your Warranty and Owner Assistance booklet, or your Pontiac dealer for details. 7-2