Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Front Auxiliary HVAC Control Assembly
Front auxiliary HVAC control assembly is located overhead, in center of headliner, above rear view mirror. The front auxiliary HVAC control assembly controls 3-speed auxiliary blower motor, rear seat area air temperature and air delivery mode through upper or lower outlets, or a combination of both. Front auxiliary control assembly also activates rear auxiliary control assembly by placing blower switch in REAR CNTL position. See Fig 1. When any position other than REAR CNTL is selected, control of rear auxiliary HVAC control is made from front auxiliary HVAC control assembly. When main system is off or not in A/C mode, auxiliary blower switch can operate blower motor to circulate air in rear passenger compartment.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.