This is a safety hazard and needs immediate attention. Took to dealership, reported it to General Motors at 1-800-521-7300 and also NHTSA at 1-888-327-4236 and filed complaints. GM has already issued recalls (09V-419 & 12V459000) for 2007, 2008 and 2009 Chevrolet, Pontiac and Saturn for defective part "fuel pump module". Cadillac CTS should be included but complaints need to be filled to generate a revised recall for those that experience this problem of gas vapor smell inside and outside the CTS currently or in the past. This is a costly repair of approximately $1,500. The more complaints they receive the better chance we have of GM revising the Recall to include Cadillac CTS. Incident occurred at mileage 73,231. You will receive a case number from each organization for you to retain in case the recall is revised to notify you for possible reimbursement.