Volkswagen has been busily adding small but impactful upgrades to its camper van lineup over the past couple months, outfitting the all-electric ID. Buzz with its first factory camper kit and adding traction battery-powered overnight air conditioning to the plug-in California van. Now it turns its attention to its largest, most comfortable camper van (and the only one with a bathroom): the Grand California. Newly available electrical upgrades promise to give the Grand California more self-sufficient roaming capability, allowing it to overnight on remote patches of earth without hookups and without giving up even the slightest bit of comfort.