LATINA

:( Hi guys , I just got the check engine light /vsc light virus last night. After filling my tank up with premium gas from Chevron. I noticed that my gas cap was not turned all the way to end. Could any one of you tell me the following 1. The solution to a problem like this. 2. Will this prevent me from driving the car 3. If yes to Question 2, what are the other complications that might arise from this 4. What are the best gas stations to get gas for the Lexus your responses will be highly appreciated thanks LEXUS GS 400 1998