OnStar Services

See also:

Immobilizer
See Radio Frequency Statement on page 13‑22 for information regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-GEN/210/220/310. ...

Power Steering Fluid (3.0L V6 Engine)
The power steering fluid reservoir is located toward the rear of the engine compartment on the passenger side of the vehicle. See Engine Compartment Overview on page 10‑6 for reservoir loc ...

Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when ...