some dashboard lights on my brother's accord have gone on that shouldn't be on in regular operation

the handbrake indicator stays on even when i fully release the handbrake, the rear brakelight indicator on the dash is on, even when i'm not stepping on the brakes, and all 4 doors are apparently open according to the dash but ofcourse they arn't in reality ...

i was wondering if anyone has come across a similar problem before, and the casue behind it and cure if you know

thank you all for your posts