LAS VEGAS --- General Motors on Jan. 5 demonstrated its new technology that will let Chevrolet Volt drivers control a variety of vehicle functions remotely using a smartphone. 

OnStar's Mobile Application allows drivers to communicate with their Volt from Droid by Motorola, Apple iPhone and Blackberry Storm smartphones. It uses a real-time data connection to perform tasks ranging from setting the charge time to unlocking the doors. 

The demonstration was held in advance of this week's Consumer Electronics Show in Las Vegas -- the world's biggest showcase for cutting-edge electronic gadgetry. 

The Chevrolet Volt OnStar smartphone application:

• displays charge status -- plugged in or not, and voltage (120V or 240V)

• provides flexibility to "charge now" or schedule charge timing

• displays percentage of battery charge level, electric and total ranges

• allows owner to manually set grid-friendly charge mode for off-peak times when electricity rates are lowest

• sends text or e-mail notifications for charge reminders, interruptions and full charge

• displays miles per gallon, electric only miles, and odometer readings

• shows miles per gallon, EV miles and miles driven for last trip and lifetime

• can remotely start the vehicle to pre-condition the interior temperature. 

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"The Chevrolet Volt ushers in a new era of automotive technology and calls for a new level of connectivity and control," said Walt Dorfstatter, president of OnStar. "Nearly 6 million vehicles on the road today use OnStar to stay connected, and our new smartphone app will make that even easier for Volt drivers." 

OnStar's real-time data connection also helps drivers maximize the environmental benefits of owning a Volt, even when not in the vehicle. The application's intuitive "charge status" feature simplifies setting the charge time. Rather than using battery power, the application allows owners to start the Volt remotely to pre-condition the interior temperature using power from the grid. This preserves the battery charge for driving without gasoline. 

When a charge command is activated, the Volt owner will receive a confirmation message on the application alerting the owner that a command has been successfully sent to the vehicle. If in view of the Volt, a green LED charge light on the dash will indicate the charge state. 

Traditional OnStar features such as door lock, unlock and remote horn and lights -- which have typically been accessible only through a call into the OnStar call center -- will now be available via the application. 

OnStar Mobile was developed from the ground-up by engineers in the OnStar EV Lab. In addition to this work, the team is leveraging OnStar's connectivity to the vehicle to gather real-time data about development models of the Volt as they are tested. OnStar engineers then share this real-time data with the Volt engineering team to speed the development process and help ensure quality at the start of production. 

Demonstration applications for the Motorola Droid and Blackberry Storm are available at OnStarMobileDemo.com. The demonstration application for the Apple iPhone will be available on the iTunes store on Jan. 6. 

Volt's OnStar mobile application will also be available on a mobile browser for other Internet-capable phones. Volt drivers can also view and manage vehicle systems and commands from the vehicle, the Internet or through a monthly OnStar Vehicle Diagnostics e-mail. 

Volt owners can opt-in to receive a monthly OnStar Vehicle Diagnostics e-mail report with diagnostics on the unique characteristics of an electric vehicle with extended range, as well as the maintenance information current OnStar subscribers receive. OnStar will also provide the connection for the Volt owner Web site, which will allow many of the same capabilities as the mobile application along with more in-depth information on the vehicle's history. 

The OnStar subscription for the Chevrolet Volt will also include the services currently available to OnStar's subscribers including automatic crash response, turn-by-turn navigation, hands-free calling and stolen vehicle assistance. 

The Volt is an electric vehicle with extended-range capability. It is designed to drive up to 40 miles on electricity without using gasoline or producing tailpipe emissions. When the Volt's lithium-ion battery is depleted of energy, an engine/generator seamlessly operates to extend the total driving range to about 300 miles before refueling or stopping to recharge the battery.

OnStar Mobile Application will be available for Volt owners at launch. Production for the Volt is scheduled to begin in late 2010.