If you mean the brake lights are staying on, then the switch at thte pedal is sticking. Could be dirty or need adjusted. Switch is under dash at the pedal.
Check the wire which supplies energy for tail lights (the junction between the trunk and the car body). If it's broken it will cause the check engine come on.
Blown fuse? Damaged buss board?
brake light switch would be most common cause
its either a fuse, or the turn signal switch needs to be replaced
Simple-wring problem, or you just need to replace the bulbs.
its still the switch,it isn't adjusted correctly
Most likely cause is a failed rear axle speed sensor. It is located on the top of the rear axle. Without checking codes it wil be hard to know for sure.
every vehicle must have brake lights to indicate that the vehicle is stopping. with no brake lights the vehicle can cause a rear end collision.
It can be connection wires, bulbs or fuses.
fuse is in the engine comaprtment fuse box.
The rear lights of your car will still on even if your car was off because the switch was turned on and it will still remain on until the battery's out. Another possibility, if the headlight switch is off and the ignition switch is off, the brake light switch may be out of adjustment or broken and what you're seeing is the brake lights on.
replace the 15 amp fuse replace the 15 amp fuse