GM Service Manual Online
For 1990-2009 cars only

Normal Vehicle Use

The maintenance schedules found in this manual are for vehicles that:

    • Carry passengers and cargo within recommended limits. Refer to Vehicle Certification Label in General Information.
    • Are driven on reasonable road surfaces within legal driving limits.
    • Are driven off-road in the recommended manner.
    • Use the recommended fuel.

Selecting the Right Maintenance Schedule

Determine which of the two schedules is right for your vehicle. Refer to the definitions of maintenance schedules below.

Important: Additional maintenance recommendations are in this subsection. Also refer to Owner Checks and Services and Periodic Maintenance Inspection .

Short Trip/City Maintenance Definition

Follow the Short Trip/City Maintenance Schedule if any one of these conditions is true for your vehicle:

    • Most trips are less than 8-16 km (5-10 mi). This is particularly important when outside temperatures are below freezing.
    • Most trips include extensive idling (such as frequent driving in stop and go traffic).
    • Most trips are through dusty areas.
    • You frequently tow a trailer or use a carrier on top of the vehicle.
    • If the vehicle is used for delivery service, police, taxi, or other commercial application.

Long Trip/Highway Maintenance Definition

Follow this maintenance schedule only if none of the conditions from the Short Trip/City Maintenance Schedule is true.