A humming bird
Wheel bearing.
The fuel pump is engaged.
Certain types of tires may cause a brief humming noise after your initial acceleration. The transmission may also cause a brief humming noise.
I have a whirring sound in my ears Can you tell me what is causing it?
Low fluid level.
Could be a bearing going bad.
bad wheel bearings
Check to see if the stop lights are working- shift interlock and stop lights are on the same circuit. Could be a blown fuse or bad stoplight switch Most 2001 Toyota Camrys get stuck in park (part of their ignition lock stuff). When you park your car, have the tires pointed stright ahead - not turned to the left or right. If it is stuck, just rock the wheel to the left and right back and forth (not hard) and it should unlock. Your Toyota Dealer will tell you the same thing.
The electric motors that moves the seats.
Check transmission fluid and power steering fluid.
radiator fans running to cool engine...