Certification Program Details: CarBravo-Certified vehicles will receive a 6-month/6,000-mile (whichever comes first) limited bumper-to-bumper warranty. ? If the vehicle has bumper-to-bumper coverage remaining under the GM New Vehicle Limited Warranty, then the CarBravo limited bumper-to-bumper warranty coverage will go into effective upon expiration of the original New Vehicle Limited Warranty ? If the vehicle?s bumper-to-bumper coverage under the GM New Vehicle Limited Warranty has already expired by time or mileage as of the date of the CarBravo transaction, then the CarBravo limited bumper-to-bumper warranty becomes effective on the contract date of the CarBravo sale. CARFAX One-Owner. Clean CARFAX. Certified. 4WD