New (to me) 07 Lariat - Questions
I recently upgraded from my 95 F350 7.3 to an 07 F150 screw Lariat 5.4 (still have the 7.3). I have a few new owner questions...
The PO used conventional oil every 3-4k miles at the local NTB. Will I harm anything by switching immediately to full synthetic? I'm thinking synthetic in 5w-20 will do me good to potentially avoid cam phaser issues, etc.
What is the box hanging down behind my rear view mirror? Is it maybe the control box for the automatic dimming function? I have a light bar right in front of/under it and want to make sure I'm not obstructing anything.
How can I tell if my mirrors are heated with the rear window? Is there a little defroster logo on the mirror glass like I've seen in other cars?
Thanks, and I'm sure I'll come up with some others!