1998 Chevrolet Corvette Owner's Manual - Page 321

Introduction IMPORTANT. KEEP ENGINE OIL AT THE PROPER -EVEL AND CHANGE RECOMMENDED Your Vehicle and the Environment Proper vehicle maintenance not only helps to keep your vehicle in good working condition, but also helps the environment. All recommended maintenance procedures are important. Improper vehicle maintenance can even affect the qualityof the air we 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. Plan protection I Have you purchased the GM Protection Plan? The Plan supplements your new vehicle warranties, See your Warranty and Owner Assistance booklet, or yourGM dealer for details. 7-2