the letter DRL come up on my dashboard they seem to be a reddish-orange so f

What is your question?

so far i don't hear any strange noises ive checked the thegas tank lid seems tight cant turn it any more slap tank shut and sometimes when i restart the car the letters are gone til next time the weather has been unusually hot recently could i have something to do with expanding gas in my tank it 32C here

What makes this problem better or worse?

sometime when i slap the tank lid hard it goes away but it will come back

How long has your 2004 Honda CR-V had this problem?

a few weeks off and on