Aveo doesn't have a very large battery, so if you turn on a large number of energy consumers, the headlights may be a little tight, that's the norm. If the headlights are palpable, the contact with the cap shall be checked. It is then recommended to verify that the fuses have not oxidiated. If the light shudges in time with the tremor of the car (especially it is noticeable in the darkness), it is necessary to pull up all the contacts of the ACB. Perhaps the headlights are dim due to the strain.