Tesla Model S: Roof

 Receiver Dryer and Desiccant (Remove and Replace)

Note: The desiccant bag in the receiver dryer is a serviceable item and must be replaced every 2 years, whenever the system is opened to ambient air for an extended time, or when an A/C system leak has been fixed. Note: The dessicant is located in the RH condenser. Removal

 Gearbox Fluid - Large Rear Drive Unit (Remove and Replace)

Warning: If the vehicle has air suspension, activate "Jack" mode on the touchscreen before raising and supporting the vehicle. Drain & Refill Raise and support the vehicle (refer to procedure). Warning: Do not work on an incorrectly supported vehicle.