Dual Tone Multi-Frequency (DTMF) Tones

The Bluetooth system can send numbers and the numbers stored as name tags during a call. You can use this feature when calling a menu&-driven phone system. Account numbers can also be stored for use.

Sending a Number or Name Tag During a Call

1. Press followed by a tone.. The system responds “Ready,” followed by a tone.
2. Say “Dial.”
3. Say the number or name tag to send.

    See also:

    Languages
    The vehicle can be programmed to respond in French or Spanish. Push Q and ask an Advisor. Advisors can speak French or Spanish. ...

    Engine Coolant
    The cooling system in the vehicle is filled with DEX-COOL® engine coolant. The coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first. The follow ...

    Engine Oil
    For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement. To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these si ...