ECU - Headlight - Remove
Remove
Raise and support the vehicle. See Raise Vehicle - 2 Post Lift.
Remove the rear underhood apron. See Underhood Apron - Rear (Remove and
Replace).
Remove the cab
Adjust Headlights Using a Headlight Tester
Park the vehicle on a level surface.
Make sure that all 4 tires are inflated to specification.
Open the front trunk hood.
On the touchscreen, enter headlight adjustment mode: Controls > Service
> Adjust Headlights.
Turn on the headlights.
Remove
Remove the hood latch cover. See
Cover - Hood Latch (Remove and Replace).
Release the clips that attach the child safety switch to the hood latch
cover, and remove the switch from the cover.
Install
Installation procedure is the reverse of removal.