Tesla analyst Adam Jonas of Morgan Stanley cautions investors regarding the Robotaxi launch details revealed by CEO Elon Musk.A report suggested a tentative date of June 12 for Tesla's Robotaxi launch in Austin along with successful testing without a driver.Jonas advises to manage expectations and wait for more details before getting too excited about the upcoming launch event.Morgan Stanley maintains a $410 price target on Tesla shares with a 'Buy' rating amidst the cautious attitude towards Tesla's Robotaxi launch.