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Juan Crespo
Juan Crespo, ASE Certified Technician
Category: Jaguar
Satisfied Customers: 1526
Experience:  A.S.E. Master Technician, Advanced Level, Emissions - Asian, Domestic, & European
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Why want the heater control panel lights go off when key is

Customer Question

why want the heater control panel lights go off when key is off and switch is off. it is killing the battery
Submitted: 1 year ago.
Category: Jaguar
Expert:  Juan Crespo replied 1 year ago.

Hi there. Welcome to our site.

The most probable cause for the HVAC control panel lights staying on all the time is an internal glitch in the control panel itself. Sometimes, resetting the control panel is enough to overcome the glitch - resetting is achieved by simple disconnection and reconnection. Here is the procedure:

Removal & Installation

1. Disconnect negative battery cable. Remove center console ashtray. Remove center console trim plate. Remove screws and remove radio console.
2. Loosen control panel top and side screws. Pull control panel out, disconnecting connector as control module is removed. Spray WD40 on both sides of the connector. To install, reverse removal procedure.

If the above described procedure does not fix the issue, then the control panel is probably shorted internally and needs to be replaced.

Best Regards.

Expert:  Juan Crespo replied 1 year ago.

In case you need to replace the control panel, click here to see a used one being sold on ebay.

Best Regards.

Expert:  Juan Crespo replied 1 year ago.

Hi again. Just checking to see if the information I provided helped you solve your issue. If it did, kindly accept and rate my answer now. Please reply if it didn't.

Best Regards.