Cobra Radar Troubleshooting

Get help diagnosing and fixing common issues with Cobra radar detectors — power problems, false alerts, app connectivity, and more.

How do I reset the Wi-fi password on my Road Scout?
To restore the password to 12345678, reset the unit by holding SEN+BRT+PWR while turning it on (or plugging into power in the "on" mode)   Tha...
How do I power my RAD Series Radar Detector?
This information only applies to RAD Series detectors, including the RAD700i, RAD480i, RAD450, RAD380, and the RAD350. Please check your vehicle owner's...
My detector will not turn on
First make sure that the cigarette plug is making good contact in the socket.  Try reinserting the plug a few times. You can also check the fuse by unscrew...
My detector keeps turning off and on
Most likely this is due to a broken wire inside the power cord.  Please try a new power cord.
The fuse keeps blowing
Most likely this is due to a short in the power cord.  Please try a new power cord.
My detector will not detect police cars
Your detector will only detect a police car if the car has a radar gun, and if the gun is turned on. If the police car does not have a radar gun, or if the...
I get short range
Please make sure that your detector is mounted at the windshield, and that it has a clear view down the road. Make sure it is not blocked by a windshield wi...
My detector is giving false alerts
In today’s busy electronic world, there are numerous sources of stray microwave signals.  Some of these sources are security systems, cell phone towers, and...
Why didn't my radar detector alert me?
There can be several reasons why a perfectly functioning radar detector does not provide an adequate alert: The police car did not have an active radar/...
Hardwiring a Radar Detector to the Fuse Block
To hardwire a radar detector to the fuse block, it is highly recommended to purchase our part number RA-PSC-B. This is a special power cord just for hardwir...