2003 Oldsmobile Alero Owner’s Manual
The 2003 Oldsmobile Alero Owner Manual
Many people read their owner’s manual from beginning to end when they first receive their new vehicle. If you do this, it will help you learn about the features and controls for your vehicle. In this manual, you’ll find that pictures and words work together to explain things.
This manual includes the latest information at the time it was printed for 2003 Oldsmobile Alero. We reserve the right to make changes after that time without further notice. For vehicles first sold in Canada, substitute the name “General Motors of Canada Limited” for Oldsmobile Division whenever it appears in this manual.

Please keep this manual in your vehicle, so it will be there if you ever need it when you’re on the road. If you sell the vehicle, please leave this manual in it so the new owner can use it.
Vehicle Symbols
Your vehicle may be equipped with components and labels that use symbols instead of text. Symbols, used on your vehicle, are shown along with the text describing the operation or information relating to a specific component, control, message, gage or indicator. If you need help figuring out a specific name of a component, gage or indicator reference the following topics in the Index:
- Engine Compartment Overview
- Instrument Panel Overview
- Climate Controls
- Audio Systems
Owner’s Information
Owner publications are written specifically for owners and intended to provide basic operational information about the vehicle. The owner’s manual will include the Maintenance Schedule for all models. in-Portfolio: Includes a Portfolio, Owner’s Manual, and Warranty Booklet.
RETAIL SELL PRICE: $35.00
Without Portfolio: Owner’s Manual only.
RETAIL SELL PRICE: $25.00
Transmission, Transaxle, Transfer Case Unit Repair Manual This manual provides information on unit repair service procedures, adjustments, and specifications for GM transmissions, transaxles, and transfer cases.
RETAIL SELL PRICE: $50.00
Service Manuals
Service Manuals have the diagnosis and repair information on engines, transmission, axle, suspension, brakes, electrical, steering, body, etc.
RETAIL SELL PRICE: $120.00
Service Bulletins
Service Bulletins give technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis and service of your vehicle.
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