You have a charging system problem, have the alternator checked
wrong bulbs or bad earth
You probably have a faulty brake light switch
Defective battery or something is pulling power from the battery. Check the glove box light, interior lights, trunk light, hood light, brake lights, etc.
"Stuck" brake lights indicate that the brake light switch on the brake pedal is broken. It should be replaced.
Brake Lights do not turn offUsually this is caused by the physical position of the brake light switch not being adjusted properly.
The head light switch is shorting out ,or a bad connection
with the park lights on both left and right side are lite. but when the brake is applied the right brake lights up and the left goes out(doesn't light up)
Short in wires or wired incorrectly.
It's probably your Alternator that is going bad. That is if the battery and brake lights came on at the same time.
fault brake light switch, located at the top of the brake pedal.
THE BRAKE LIGHT SWITCH IS NOT PUTTING OUT BATTERY WHENEVER THE BRAKE PEDAL IS PUSHED DOWN. CHECK TO SEE IF BRAKE LIGHTS COME ON WHEN BRAKE PEDAL IS PUSHED DOWN. IF BRAKE LIGHTS COME ON, THEN YOU SHOULD BE ABLE TO SHIFT IT OUT OF PARK. IF NO BRAKE LIGHTS, THEN IT WON'T SHIFT OUT OF PARK. IF THIS IS THE CASE, THEN REPLACE BRAKE LIGHT SWITCH.
Put some brake fluid in the master cylinder.