Signal lites start slicking tire pressure blinks radio trns off fob stops wrking

What is your question?

Happens on longer trips. 2+hrs. Radio shuts off, tire pressure starts blinking. Signal lights act crazy. Fob won’t work. After a few minutes all turns back on. Brought in several times. Mechanic changes bulbs. Good for a bit then happens again.

What makes this problem better or worse?

Long drives

How long has your 2013 Hyundai Elantra had this problem?

On and off for two years