in a 2011 LS 460, I had several electronic issues this week. First was a warning to take car immediately to a dealer due to a SRS Issue; next a warning light that AFS was off, my gas gage went all the way to empty, my headlights flickered on then off, and turn signal works intermittently. I obviously need to take in for repair, but wanted to know if I could do some homework first as to what may be wrong

 

How old is the battery?

 

How long have you owned your LS? When was the battery changed? Try getting it scanned at Autozone or Auto parts store for battery or alternator issues but don't buy one of their alternators if they say it is the alternator, go somewhere else and have them check it.