Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 8 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DESCRIPTION AND OPERATIONONSTAR DESCRIPTION AND OPERATIONPLACING A CALL
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Placing a Call
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Placing a Call
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
To Dial a Number
| What You Do | What You Hear |
|---|---|
| Press the white dot button | "OnStar Ready" |
| Say "Dial" | "Phone number to dial, please" |
| Say the entire phone number you wish to dial with no pauses | OnStar will repeat the number, then ask "Yes or No" |
| Say "Yes" if the phone number was correct, or "No" to try again | "Dialing," and your call will be connected |
After 3 unsuccessful tries, or if you simply like it better, you can use the "Digit Dial" command to input digits one at a time. Digit Dial is set up to dial phone numbers like previous OnStar Personal Calling Systems.
To Dial a Number Using Digit Dial
| What You Do | What You Hear |
|---|---|
| Press the white dot button | "OnStar Ready" |
| Say "Digit Dial" | "First digit to dial, please" |
| Say the number to be dialed, one digit at a time | OnStar will confirm each digit by repeating it back to you |
| When finished, say "Dial" again | "Dialing," and your call will be connected |
To Place a Call Using a Stored Nametag
| What You Do | What You Hear |
|---|---|
| Press the white dot button | "OnStar Ready" |
| Say "Call" | "Nametag, please" |
| Say (stored name) | "Calling" |
To Place a Call Using the "Redial" Command
| What You Do | What You Hear |
|---|---|
| Press the white dot button | "OnStar Ready" |
| Say "Redial" | "Redialing" |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.