Do you mean What does it mean when the brake and battery lights come on in when it is already started? Check your alternator may be its not working well it cause the battery sign comes out.
A brake light switch may be bad if a 1996 Toyota Corolla will not go into gear and the brake lights don't work. Another issue could be in the shift lock solenoid.
A malfunctioning brake light relay switch will cause your 1993 Toyota Corolla brake lights to stay on all the time. The brake light relay switch is located beneath the drivers side dashboard.
Defective or mis-adjusted brake light switch
You probably have a bad ground. Check the grounds on the brake lights.
Check the brake light switch located under the 1989 Toyota Corolla. If the switch is stuck the parking light will continue to stay on.
The brake switch on a 1999 Corolla should be on the top of the brake pedal arm. If the switch goes bad, then the brake lights might stay on, or not come on at all.
To reset the ABS and brake lights on a 2002 Toyota MR2, trying disconnecting the battery for 10 minutes. A Toyota dealer can also reset the lights.
If by 'controller' you mean the switch that makes the brake lights come on, it is not in the trunk. It is located underneath the dashboard, next to the brake pedal.
Where is the brake fluid filler located on a 2004 Toyota Corolla?
break lines need to be replaced, check the battery cables to if that's not it then the battery may just need charged
How do I change the Front Brakes on a 2001 Toyota Corolla?
How do you replace the front break pads on a Toyota corolla .