Vehicle Preparation

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2022 Ford F-550 Super Duty, 2022 Ford F-450 Super Duty, 2022 Ford F-350 Super Duty, 2022 Ford F-250 Super Duty, and 2021 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Carry out all of the safety steps required to start and run the vehicle tests. Apply the parking brake, place the gear selector lever firmly into the PARK position and block the drive wheels.
Turn off all electrical loads, such as radios, lights, A/C, blower and fans.
Start the engine and bring it up to normal operating temperature.