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I just bought a 2017 Volt LT...no options.

In my settings, when I go to VEHICLE -> COMFORT & CONVENIENCE, there is an option for Automatic Vehicle Hold. There are 2 options for settings: "Long and Auto Brake On" and "Short and Auto Brake Off"

Does anyone know what this setting does? It does not seem to be in the owner's manual, there is nothing on Google, and the dealer had no idea.

Thanks
 

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I just bought a 2017 Volt LT...no options.

In my settings, when I go to VEHICLE -> COMFORT & CONVENIENCE, there is an option for Automatic Vehicle Hold. There are 2 options for settings: "Long and Auto Brake On" and "Short and Auto Brake Off"

Does anyone know what this setting does? It does not seem to be in the owner's manual, there is nothing on Google, and the dealer had no idea.

Thanks
Look for "Hill Start Assist". From page 190 in the 2017 PDF.

Hill Start Assist (HSA)
The HSA feature will activate when the vehicle is stopped on a moderate to steep grade to help prevent it from rolling in an unintended direction. After the brake pedal has been released and before the accelerator pedal has been pressed, HSA uses braking pressure to hold the vehicle stationary. If HSA is holding the vehicle, a DIC message displays. HSA will not activate in a forward drive gear when facing downhill, or in R (Reverse) when facing uphill.
Extended Hill Start Assist (EHSA)
Select the duration of the HSA feature on the center stack touchscreen by choosing the submenu for Hill Start Assist or Extended Hill Start Assist (EHSA). See “Extended Hill Start Assist" under “Comfort and Convenience” in Vehicle Personalization. When Standard Hold is selected, the vehicle is held stationary for up to two seconds after the brake pedal is released. When Extended Hold is selected, the vehicle is held stationary for up to five minutes after the brake pedal is released. In either case, override the hold feature by pressing the accelerator pedal and attempting to drive away. If Hill Start Assist is selected in the Settings menu, it will hold the vehicle for two seconds unless the driver door is opened or the driver safety belt is unbuckled after releasing the brake pedal. If Extended Hill Start Assist is selected, it will hold the vehicle for five minutes unless the driver door is opened and the driver safety belt is unbuckled prior to releasing the brake pedal. When EHSA is deactivated after five minutes, or if it is deactivated when the driver safety belt is unlatched or the driver door is opened, the Electric Parking Brake will engage to prevent vehicle movement.
 
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