OnStar Services

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Engine Oil
To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: Always use engin ...

Lower Anchor and Top Tether Anchor Locations
Second Row — 60/40 (Lower Anchor): Seating positions with two lower anchors. (Top Tether Anchor): Seating positions with top tether anchors. For models with 60/40 second row seating, the rea ...

Manual Transmission
The shift lever should be in neutral position and the parking brake engaged. Hold the clutch pedal down to the floor and start the engine. The vehicle will not start if the clutch pedal is n ...