Rivian has begun production of its R2 SUV. However, you can't get one just yet: The first customer deliveries (of the most expensive version) aren't expected until later this spring. On Wednesday, CEO RJ Scaringe drove the first electric SUV off the production line at the company's Normal, IL, factory. A storage and logistics building at that factory was damaged by a tornado last weekend, with Wednesday's rollout event seemingly designed to reassure nervous customers and investors. "We are really excited to be producing R2 for our customers," Scaringe is quoted as saying in a news release . However, Rivian CFO Claire McDonough told Reuters that customers won't be able to configure their vehicle orders until June. Electrek reports that these first units rolling out now are going to Rivian employees. Rivian If you were drawn to the R2's $45,000 starting price , well, Rivian won't have any of those for a while. First off the line (this spring) is the Launch Package, starting at $57,990.…