passenger presence detection system is malfunctioning, and causing a ‘service airbag’ warning. This is a huge safety issue that could be detrimental or deathly in the event of an accident. This is a common issue among generation 1 volt owners, and should be considered for a recall or warranty coverage. The passenger presence detection system parts are discontinued, and even if I found the part the dealership cannot confirm for the pricey repair, that the airbag / sensor will not simply malfunction again — which makes this a persistent safety concern and huge owner inconvenience to say the least.