If you experience a dead battery, you may find out that after it is jump-started, the controls for your HVAC do not light up or function. To correct this problem, you must reset the system. Do this by pulling and reinstalling the following two fuses that are in your trunk: 14 — 10 Amp Red AC Heater Control/ Cluster/Security Module, - if equipped #41 — 10 Amp Red AC Heater Control/ Headlights/Tire Pressure Monitoring – if equipped