BTCR-35M - Radio CRUX - Free user manual and instructions

Product Type	Car Stereo Receiver
Brand	CRUX
Model	BTCR-35M
Dimensions (W x H x D)	7.1 x 2.0 x 6.1 inches (180 x 50 x 155 mm)
Weight	1.1 lbs (500 g)
Power Supply	12V DC (negative ground)
Maximum Power Output	4 x 50 watts
RMS Power Output	4 x 22 watts
Radio Tuner	FM/AM with 30 presets
Bluetooth	Version 5.0 for hands-free calling and audio streaming
USB Playback	USB port for MP3/WMA playback
AUX Input	3.5 mm front auxiliary input
Display	LCD dot matrix display with adjustable illumination
Steering Wheel Control	Compatible with SWC (adapter may be required)
Installation Size	Single DIN
Included Accessories	Mounting sleeve, trim ring, wiring harness, installation screws
Material	Front panel: plastic with metal chassis
Operating Temperature	-20°C to 60°C (-4°F to 140°F)
Maintenance	Clean with a soft dry cloth; avoid liquid cleaners
Safety	Built-in fuse; disconnect battery before installation
Spare Parts & Repairability	Contact CRUX support; no user-serviceable parts inside
General Information	Designed for vehicles with 12V electrical systems

Frequently Asked Questions - BTCR-35M CRUX

How do I install the CRUX BTCR-35M radio?

First, disconnect the vehicle's battery. Remove the factory radio and use the included wiring harness to connect the BTCR-35M. Secure it with the mounting sleeve and trim ring. Reconnect the battery and test the unit.

How do I pair my phone via Bluetooth?

Enable Bluetooth on your phone and search for devices. Select BTCR-35M from the list. If prompted, enter the PIN 0000. The radio will confirm successful pairing.

What audio formats are supported via USB?

The USB port supports MP3 and WMA files. It can read USB drives formatted as FAT32.

Can I control the radio with my steering wheel buttons?

Yes, the BTCR-35M is steering wheel control ready. You may need a separate adapter (not included) for your specific vehicle. Refer to the manual for compatibility.

How do I reset the radio to factory settings?

Press and hold the Reset button (located behind the front panel) using a thin object like a paperclip. This clears all settings and paired devices.

What is the power output of the BTCR-35M?

The maximum power output is 4 x 50 watts. RMS power is 4 x 22 watts at 4 ohms.

How do I set the clock?

Press and hold the DISP/MENU button until the clock flashes. Use the volume knob or preset buttons to adjust hours and minutes. Press DISP/MENU again to save.

Does the radio have a backup camera input?

No, the BTCR-35M does not include a video input for backup cameras. It is an audio-only receiver.

What should I do if there is no sound?

Check speaker connections and ensure the unit is not muted. Verify the volume level. Also check if the Fader or Balance settings are centered.

How do I clean the radio?

Use a soft, dry microfiber cloth to wipe the faceplate. Avoid abrasive cleaners, solvents, or water. Do not spray liquids directly onto the unit.

USER MANUAL BTCR-35M CRUX

• Adds Bluetooth Handsfree Calling to the OEM radio.
• Adds 4 channel Bluetooth Music streaming.
• Automatically pauses BT Streaming when a call is received, and resumes when the call is ended.
• Allows user to answer, end calls, track up and track down music using the steering wheel controls.
• DSP and Echo-Cancellation allows for clear conversations on both sides of the phone call.
• Allows any previously paired mobile phone to automatically re-connect to the Bluetooth interface.
• Hear Navigation App voice prompts from the factory speakers while in Bluetooth mode.

NOTES:

1. Vehicle MUST have steering wheel controls.
2. Vehicle MUST have a factory Aux Input.

PARTS INCLUDED:

Black CRUX electronic device with ventilation grille and red indicator lights (no readable text or symbols beyond branding)

Two gray electrical connectors with multiple colored wires and connectors, no visible text or symbols

Coiled black cable with connectors and connector, no visible text or symbols

Coiled black and white electrical connectors with wires (no text or symbols visible)

BTCR-35M Module BTCR-35M Vehicle Harness Microphone BT Harness

INSTALLATION DIAGRAM:

graph TD
    A["TO RADIO"] --> B["Gray 22-PIN (MALE)"]
    A --> C["8 pin Connector"]
    C --> D["16 pin Connector"]
    D --> E["CRUX Device"]
    F["TO FACTORY HARNESS"] --> C
    G["Microphone"] --> D
    H["To Vehicle Aux Input"] --> I["AUX RES"]

INSTALLATION INSTRUCTIONS:

1. Remove the radio to gain access to the connectors. 2. Unplug the 22 pin factory connector from the radio.

Close-up of a hand inserting a small electronic component into a vehicle battery (no visible text or symbols)

Person interacting with a cable connector in a car interior (no visible text or symbols)

1. Plug the BTCR-35M T-harness between the radio and the factory connectors.

1. Plug the 3.5mm auxiliary audio cable of the BTCR-35M to the factory AUX port.

Close-up of a hand holding a black electrical connector with red wires, next to a blue illuminated panel (no visible text or symbols)

1. Plug the 3 pin microphone connector to the BTCR-35M t-harness.

Close-up of a car's side panel with a black connector and cable, no visible text or symbols

1. Run the microphone cable along the A pillar and clip the microphone on the A pillar trim.

DIP SWITCH SETTINGS:

Set DIP #1 to ON and 2 to 6 OFF.

OPERATION:

1. Turn on the radio and go to the Bluetooth settings on the phone.
2. Pair the phone to blueLogic.
3. Change the source on the radio to AUX mode.
4. Play music on your phone and audio will be heard on the car speakers.
5. When there is an incoming call, go to AUX mode on the radio if you are in any other mode. Use the steering wheel control buttons to pick up and end the call. See steering wheel control button functions below.

CONTROL BUTTONS ON STEERING WHEEL:

BUTTON PRESS DURATION FUNCTION
TRACK + Short Press (< 1 sec) Next Track
TRACK - Short Press (<1 sec) Previous Track
TRACK + Press & Hold (<1.5 sec) Play/Pause
TRACK + Press & Hold (<3 sec) Voice Command (Siri / Google)
TRACK + Press & Hold (<3 sec) Answer / End Active Call
TRACK - Press & Hold (<3 sec) Reject Call / End Active Call

VEHICLE APPLICATIONS:

CHRYSLER

2011-2014	200
2008-2010	300
2008-2009	Aspen
2004-2008	Pacifica
2008-2012	Sebring
2008-2016	Town & Country

JEEP

2008-2010	Commander
2008-2016	Compass
2008-2013	Grand Cherokee
2008-2012	Liberty
2008-2021	Patriot
2007-2017	Wrangler

DODGE

2008-2013	Avenger
2008-2012	Caliber
2007-2021	Caravan
2008-2014	Challenger
2007-2010	Charger
2007-2012	Dakota
2007-2013	Durango
2007-2010	Journey
2007-2008	Magnum
2007-2012	Nitro
2009-2012	Ram

VOLKSWAGEN

2009-2014 Routan