How remove the dash on a 2000 chevy silverado

SOURCE: Need to reset LOW COOLANT light on 2000 Chevy Silverado 1500

Try pumping the brakes 3 or 4 times with the truck running in 'park'.

SOURCE: dash light replacement

you have to take the radio apart to get to remove the face then you will need a solder gun to get the old bulbs out and put in the new ones

SOURCE: 2000 Silverado daytime running lights don't work. bulbs new.

Not saying that you don't know this but the daytime lights are turned off in park.
If that is not your problem, a friend of mine uses the amber bulbs, they last longer.

SOURCE: po452 trouble code changed sensor engine light

you may have to drive it several days for the light to go off, or have the codes cleared. personally I would just drive it. if the computer tests it, and it passes the test, it will go off on its own.

SOURCE: Where is the knock sensor 2 (bank 2) located on a

I don't have a diagram but they are under your intake manifold. It's not to bad of a job. You don't have to remove the fuel rails or the injectors, they can come up with the intake. The #2 knock sensor is the one in the rear. I will suggest getting both of them and also the harness and do it all while you have it apart. I believe you will find that water has gotten down in the hole where the knock sensors are located. Make sure to clean it out very good with compressed air before you install your new knock sensors.