OnStar Overview
EmergencyEngine Oil Life System
When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil
and filter. This is based on a combination of factors which include engine revolutions,
engine temperature, and miles driven.
Based on driving conditions, the mileage at which an oil chang ...
Reduced Engine Power Light
The reduced engine power light should
come on briefly as the engine is started. If it does not come on, have the vehicle
serviced by your dealer.
This light, along with the malfunction indicator lamp, displays when a noticeable
reduction in the vehicle's performance occurs.
The vehicle c ...
Interior Care
To prevent dirt particle abrasions, regularly clean the vehicle's interior.
Immediately remove any soils. Note that newspapers or dark garments that can
transfer color to home furnishings can also permanently transfer color to the vehicle's
interior.
Use a soft bristle brush to remove ...