RADIO SCREEN FADES ON THEN GOES OFF/KEYLESS ENTRY WONT WORK

Courtesy Lights
The courtesy lights come on under the following conditions:
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Any door is opened.

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The interior lamp switch is in the ON position.

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The keyless entry transmitter unlocks the doors (illuminated entry).

When the key is removed from the ignition switch with all of the doors closed, the courtesy lights light for approximately 25 seconds before fading out.
Battery positive voltage (B+) is applied at all times through the IP fuse block CTSY LP/PWR MIR fuse 6A via CKT 640 (ORN) through the body control module (MALL) to the courtesy lights via CKT 1732 (ORN). The MALL provides a ground through CKT 156 (WHT) for the courtesy lights under the following conditions:
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The MALL receives an input from a door being opened.

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The MALL receives an input from the interior lamp being turned ON.

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The MALL receives an input from the doors being unlocked using the keyless entry transmitter.

The courtesy lamps then light.
When the courtesy lights are activated by opening and closing a door, the courtesy lights will remain on for approximately 25 seconds before fading out after all of the doors are closed. If the ignition switch is turned to START or RUN within the 25 seconds, the lights immediately begin to fade out. If a door is left open, the MALL removes battery positive voltage (B+) to the courtesy lights after 10 minutes. When the courtesy lights are activated by the interior lamp switch, the lights remain on as long as the interior lamp switch is in the ON position. When the courtesy lights are activated by unlocking the doors using the keyless entry transmitter, the lights remain on for approximately 40 seconds. If the doors are locked using the keyless entry transmitter within the 40 seconds, the lights immediately begin to fade out.
Body Control Module (MALL) Diagnostic Mode
For a detailed explanation of the MALL module diagnostic mode, refer to Body Control Module Cell 51.
What interior light ? Dome , courtesy lights etc....They don't work with switch, keyless entry , door opening ?
What

Sounds like they might have missed plugging the door harness in to the body, or maybe left a ground unhooked.

Is this an issue with all 2008 HHR remotes??? Highly doubtful , probably the vehicles keyless entry system . Taking the vehicle to a qualified repair shop an having the keyless entry system checked for DTC'S - diagnostic trouble code's . Do you know what a DTC is ?
The keyless entry system is a vehicle entry device. The keyless entry system is used in conjunction with the body control module (BCM) to remotely activate certain vehicle features. Keyless entry will lock/unlock the doors, or release the rear compartment lid when a corresponding button on the keyless entry transmitter is pressed. This is accomplished by the transmitter sending a radio frequency to the remote control door lock receiver (RCDLR). The RCDLR interprets the signal and activates the requested function via a serial data message to the BCM. A low transmitter or vehicle battery or radio frequency (RF) interference from aftermarket devices, such as 2-way radios, power inverters, computers, etc., may cause a system malfunction. High RF traffic areas may also cause interference that could lead to a malfunction. Keyless entry allows you to operate the following components:
• Door locks
• Liftgate lock
• Remote rear doors (Panel only)
• Vehicle locator/panic alarm
• Illuminated entry lamps
• Remote vehicle start
The keyless entry system has the following components:
• Keyless entry transmitters
• Keyless entry antenna
• 2 Way Advanced Remote Start RCDLR
• BCM

Guessing will not fix this .

2005 cannot be reset same as earlier model ,its a dealer only diagnostic equipment ,when its reset the radio will work as well because its all part of the immobilisor set up

shop probably jumped car incorrectly, ck for blown fuses on acc circuit

atxhonda is right. Your going to have to replace the stereo and an aft mkt stereo will be the cheapest by far, however you should know that 96-00 Civics keyless entry control unit is inside the factory unit and by replacing it with an aftermarket deck you will lose you factory keyless entry system. If you don't have or use honda factory keyless entry or maybe you have an aft mkt keyless entry installed than I would go with the aft mkt deck.

The keyless entry is designed to work with the doors closed (closed - not locked). If the door ajar sensor thinks the door is open the keyless entry is disabled. When you manually lock the door it might tighten the door just enough to activate the keyless entry. I would try slamming all the doors closed and then see if the keyless entry works. If it still wont work have the wiring checked on the front door lock.

my keyless entry does not work and i change my battery for both the remote is there another battery or fuse

are you trying the key fob remote. an aftermarket radio can affect keyless entry systems.

I think the body control module is shorting out . The body control module can be over heating internally then shorted out. All the parts you mention have a circuit running to the body control module. I would have the vehicle checked for codes at a repair shop , then check the wiring to the body control module.
good luck