Question about Cobra 4000 GPS Receiver

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Re: Won't turn on

The Nav one 4000 series screen will not turn on and it beeps when we try to turn it on.

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  • val765 Jul 18, 2008

    we have the same exact problem with our system. When we try to turn it on it just beeps. We tried to unplug and then plug it back in but it doesn't help with anything. The screen is black and just beeps.

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Your power cable has a short in it. replace it.

Posted on Aug 14, 2009

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WHERE CAN U GET A CORD FOR IT.IT WON'T LIGHT UP WHEN PLUGGED INTO MY CAR LIGHTER.

Posted on Jul 12, 2011

I also have the same problem. The beeping seems to be a code but people from cobra just say send it to them for repair. The beeps seem to be #112 (BEEP--------BEEP--------BEEP-BEEP) . It than shuts of, nothing on screen. NEED HELP PLEASE!!!!!

Posted on Sep 25, 2008

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Hi,
i have 9 cobra one 4000 and all unit is no power on.

Posted on Feb 25, 2009

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Posted on Jan 02, 2017

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1 Answer

I have a brother sx-4000 typewriter,when i turn it on, there is a beeping noise an the little screen saidspitch10 line1 word spell. Can somebody tell me whats wrong with my typewriter?


If beep that does not stop after start up you may have bad key switch or the ribbon end sensor may be stuck . Check it out, and get back with any info nomatter how small , listen to it very closely when you turn it on you should hear the print assembly check for the home position, this may seem insignificant but my be the vital info that tips the scales you way, good luck, Bret

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Honda navigation


check fuses.
if DIY savvy, login to alldata.com
buy the FSM and read.
dont mess up, some NAV need a password code if you kill power to the NAV head. so RTM , never work on new cars FSM free
or make way more costly mistakes that any FSM ever cost.
RTM or take it in.

all cars, hell all machines, in the mil; they say RTFM.
for good reasons.

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Nav radio won't turn on, 2007 cadillac STS


I am afraid that you are out of luck. Did you check the fuse. The only other person would be the dealer or you may find another unit in the salvage yard.

Mar 25, 2012 | Cadillac Cars & Trucks

1 Answer

2000 bmw x5 nav screen blank. radio works but no


I know this is an old thread, but my 2006 325i Nav screen went bank also, but the radio still played. I noticed the glove box light and trunk light did not turn on also. I was told from mechanics is was probably a CID module for $2200, even though I mentioned the glove box and trunk light light were out and specifically inquired about a fuse. The mechanics never checked the fuses, because I checked my fuses in the glove box and found the fuse 61 marked with a BMW symbol that looks like light bulb was blown. The Nav screen started back up once the fuse was changed.

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1 Answer

Screen keeps turning off


Some sat-navs have this feature as a power saving option, try looking through the menu to see if there is something like turn screen off

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2004 BMW X5 4.4i Left lights on resulting in flat battery. Car was jump started from another vehicle (Ford Transit van). Everything fine for a few days. Now, intermittently the radio/sat nav goes haywire!...


sounds like your car has the multi function steering wheel, i know on the 7 and 5 series they come out of sync, im not sure why.
its about £75 to get plugged in at the dealers and they reprogram it, sometimes i have had the odd car with a damaged slip ring, it does all sorts of things, 1 in particular kept on beeping the horn,
i would say if u got 1 urs got upset when battery flat.

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1 Answer

Ticking sound


We have a similar problem which was from a bad coed to receiver connection.
Try holding the point to where you hear the 'tick' and wait for the connection.

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1 Answer

Nav system


Installing the DVD Map Disc Your dealer/retailer may have installed the map DVD. If the map DVD was not installed, do the following to load it:
Read the following steps completely.
  1. Turn the ignition on. The vehicle must be in P (Park) to perform this operation.
  2. Press (power) to turn the navigation system on.
  3. Press the NAV hard key.
  4. Touch the Insert Map Disc screen button. The screen opens to access the map DVD slot.
  5. Load the map DVD partway into the slot. The system pulls it in. The screen cannot be closed until a double beep is heard.
    Notice: Pressing directly on the navigation screen may cause damage. Repairs would not be covered by the vehicle's warranty. Do not press directly on the navigation screen.
  6. To close the screen, slightly push up on the two outer corners until the screen is in position. Then push the screen in by pushing on the four outer corners until a click is heard.
  7. Set the search area. See "Setting the Search Area" earlier in this section.
Ejecting the DVD Map Disc The navigation portion of the system cannot be used if the DVD map disc is not loaded.
  1. Press the MENU key to enter the Menu options, then press the MENU key repeatedly until Nav is selected or touch the Nav screen button.
  2. Touch the Map Database Information screen button.
  3. Touch the Eject Map Disc screen button. The screen tilts, exposing the map DVD slot.
  4. Press the eject button, located next to the DVD map disc slot, and the disc ejects. Pull the disc out. The screen cannot be closed until a double beep is heard.
    Notice: Pressing directly on the navigation screen may cause damage. Repairs would not be covered by the vehicle's warranty. Do not press directly on the navigation screen.
  5. To close the screen, slightly push up on the two outer corners until the screen is in position. Then push the screen in by pushing on the four outer corners until a click is heard.

Oct 07, 2008 | 2007 GMC Acadia SLE

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