OnStar®

For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.

For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.

Automatic Crash Response

In a crash, built-in sensors automatically alert an OnStar Advisor who is immediately connected to the vehicle to see if you need help.

See also:

Checking the Fluid Level
Prepare your vehicle as follows: 1. Park your vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in PARK (P). 3. With your foot on the b ...

Instrument Panel Illumination Control
Instrument Panel Illumination Control The brightness of the instrument panel lighting and steering wheel controls can be adjusted. (Instrument Panel Illumination): Move and hold the thumb ...

Total Weight on Your Vehicle's Tires
Be sure the vehicle's tires are inflated to the upper limit for cold tires. These numbers can be found on the Information label. See Vehicle Load Limits. Make sure not to go over the GVW li ...