Chevy Volt Accessories and Modifications
OBD2 (a.k.a., OBDII, OBD II ) devices can be used to monitor the Volt's operation, clear codes, reduce insurance costs and....cause problems.
Insurance Company Dongles
Will plugging the device into my Volt cause problems?
Workarounds for OBD2 Problems
GM Policy on OBD2 Devices
GM OBD2 Details...