Make Model Spec C6. 17 WINTER OPTC6. 2.2 HDI EXCLUSIVE, LIGNAGEC6. 2.2 HDI, 3.0 HDIC6. 2.7 HDIC6. 2.7 HDI EXCLUSIVEC6. 2.7 V6 HDIC6. 3.0 V6C6. 3.0 V6 STANDARDC6. LIGNAGE, EXCLUSIVE What should my pressure be?
