 eight six six ninety red-eye this report is brought to you by shell rotella with advanced synthetic technology is designed to help keep your rig running with more mileage and less maintenance on a hot summer day the last thing you want to feel is a blast of warm air when you turn on your air conditioning a malfunctioning ac system will leave you uncomfortably shifting in your seat not to mention it can affect the safety and performance of your entire vehicle and your productivity