Lincoln Aviator: Battery, Mounting and Cables / Removal and Installation - Auxiliary Battery

General Procedures - Battery Drain Check

Check NOTE: No factory-equipped vehicle should have more than a 25 mA (0.025 amp) – 50 mA (0.050) draw depending on the vehicle's accessories. Check for current drains on the battery in excess of 25 mA (0...

Removal and Installation - Auxiliary Battery Cable

Removal NOTE: This procedure provides information about routing, retaining points and connectors of the cable. It does not include the steps for removing components to gain access to the cable...

Other information:

Lincoln Aviator 2020-2026 Service Manual: Description and Operation - High Voltage Battery, Mounting and Cables - Plug-In Hybrid Electric Vehicle (PHEV) - Overview

OVERVIEW   WARNING: To prevent the risk of high-voltage shock, always follow precisely all warnings and service instructions, including instructions to depower the system. The high-voltage system utilizes approximately 450 volts DC, provided through high-voltage cables to its components and modules...

Lincoln Aviator 2020-2026 Owners Manual: Automatic Transmission Fluid Check

If required, have an authorized dealer check and change the transmission fluid at the correct service interval. The automatic transmission does not have a transmission fluid dipstick. Refer to your scheduled maintenance information for scheduled intervals for fluid checks and changes...