Yes, you'll need to use Location Based Charging. Otherwise you will need to override it from 8amps to 12amps everytime. Location based charging lets you default to 12amps at your home location.
The least expensive Clipper Creek LCS-20 charges up in 4 hours 30min; [email protected], but there is an Etsy Volt Level 2 Charge Adapter, that will charge in 5 hours 40min using the OEM charger, [email protected] http://gm-volt.com/forum/showthread.php?280033-Gen-2-Volt-Tricks
Location Based Charging This feature allows charging
settings to be customized when the vehicle is at home or away from
home. The charge mode and charge level preference will update based
on vehicle location. See “Charge Limit Preference Selection” earlier in
this section.
...
To store a home location:
1. From the Home screen, touch Settings.
2. Touch Vehicle.
3. Touch Energy.
4. Touch Location Based Charging.
5. Touch Set Home Location.
....Expiration
The charge level preference at the home location is stored for up to
90 days. After 90 days, a notification will display on the screen and the
charge level preference will need to be reset for the next 90 days....
