holy shit....424,000 miles? omfg...cot damn...wtf? that much milage? geesus fucing christ.
ok, well, you gotta tell us what car you have..it'll be easier.
take the gause cluster out, this is where we need to know wtf you have so we can tell you how to take that off unless you already know how, and clean the inside. and lub the little motor behind the needle. get this from your local hobby store for RC cars which runs on electric motor, buy that little lube and use it on the gauge cluster.
good luck.