Originally Posted by spera23
I tried out:
No luck on any of them.
This does seem like it would be the case that we need the hardware, but then again you said you saw it being done without it on another forum, right?
I noticed one from my 09 LCI E90.
WARNBLK ENERGY SAVE MODE
it's active by default on my vehicle
Wondering what that is. Not likely related, but sounds interesting...
EDIT: Probably related to Hazards, so nevermind.