1994 Chevrolet Astro Owner's Manual - Page 297

Scheduled Maintenance Services This part tells you the maintenance services you should have done and when you should schedule them. Your GM dealer knows your vehicle best and wants you to be happy with If you go to your dealer for all your service it. needs, you'll know that GM-trained and supported service people will perform the work using genuine GM parts. These schedules are for vehicles that: 0 carry passengers and cargo within the recommended limits. You will find these limits on your vehicle'sCertification Label. See "Loading Your Vehicle" in the Index. are driven on regular road surfaces, and within legal driving limits, as described in Section 4, Your Driving and the Road. use the proper fuel. See "Fuel" in the Index. Selecting The Proper Maintenance Schedule Your driving conditions and how you use your vehicle will help you determine which schedule to use. The schedules are found later in this section. MAINTENANCE SCHEDULEI Is any one of these true for your vehicle? 0 0 Most trips are less than 4 miles (6 kilometers). Most trips are less than 10 miles (16 kilometers) and the outside temperatures are below freezing. The engineis at low speed mostof the time (as in stop-and-go traffic, door-to-door delivery, or other commercial uses). You operate in dusty areas. You tow a trailer. 0 0 If any one (or more) of these is true for your driving, follow Schedule I. The chart for Schedule I has plus signs (+). MAINTENANCE SCHEDULEI1 Follow Schedule I1 ONLY if none of the above conditions are true. The chart for Schedule I1 has dots ( 0 ) . 7-3