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Often, you need to press the unlock button on the remote twice. First press unlocks the door and second press disables the immobiliser and allows the vehicle to start. The key alone will not start the vehicle.
Alternatively, when the key is in the ignition - press the remote unlock again.
The remote acts as an immobiliser device. The reason your car won't start on the key is probably because the system won't allow any key in the ignition - it is preventing theft of the vehicle. Once the unlock button on the remote is pressed the system then recognises that key is the legitimate one for the vehicle and the disables the immobiliser and allows you to start the car
You can try inserting the key into the ignition, turning it to the run position (without trying to start it), and switch the valet switch on. Turn the ignition off and try to start the SUV. If that doesn't work the remote will need to be fixed. Either replace the battery or have the remote replaced. If the problem is within the alarm control module. you may need to have it removed or replaced. The system can not be bypassed. If you have other questions, please feel free to write back. Good luck.
I can't say for sure but it sound like you either trigger the "Panic" button or alarm system if equiped. Hook the battery up (negative last) and push the "Panic" button on the key FOB.
If you don't have the FOB you may be able to reset but disconnecting the negative cable only.
If it's an alarm system, locking and then unlocking with the FOB should reset it, also using the key to turn on the ignition is supposed to reset it.
I don't Believe that remote start can only be re-programed by the dealer as it is anti theft prevention device get a 2nd opinion or call the dealership ..unless something has become truly wrong with your ignition system but a remote device works without a key ...you could try to disconnect the negative terminal on the battery itself to see if it will reset itself foe a few minutes then reattach and secure it but ,,,remote works without the key yntil you wish to drive it at which point you need to insert the key to forwards position to drive it
Have you you tried just re-programming all of your remotes? I just added a "new" (from Ebay) remote and when re-programming, had to do them all. Here's how...
1.Using a functional key fob transmitter, unlock the vehicle and disarm the Vehicle Theft Security System. 2.Insert ignition key into the ignition switch. 3.Turn the ignition switch to RUN position without starting engine. 4.Using a functional key fob transmitter, press and hold the UNLOCK button for a minimum four seconds (maximum ten seconds) 5.While holding UNLOCK button, and before ten seconds passes, press and release the PANIC button. A single chime will sound to verify that the RKE module is set to receive the new Vehicle Access Code(s) 6.Within 30 seconds of the chime, press and release the "LOCK" and "UNLOCK" buttons on the transmitter at the same time. Then press any one of the buttons. The BCM will sound an abbreviated chime to acknowledge that the programming of the transmitter has been completed and was successful. 7.Repeat step 6 for all transmitters that will be used with this vehicle (up to 4 total) 8.Programming mode will last for 30 seconds. To get out of programming mode sooner, turn the ignition OFF. A single chime will sound to verify that the RKE module will no longer accept additional Vehicle Access Code(s) 9.When Vehicle Access Code(s) programming is complete, turn the ignition switch to the OFF position and verify RKE system operation using each key fob
Sometimes when you cycle the ignition (turn the key from off to start and back to off again) to often in a short period of time (usually 8 times in 10 seconds or so) on accident, the remote access personality module will enter its programming mode by default. This is how the dealership will program in new remotes for your vehicle. However, if it is done unintentionally, and then no new remote is entered into the system (done by simply pressing any key on the remote within the next 20 seconds or so) then any previous remotes programmed into the RAP module are erased. Hence, your remote will no longer work, until and unless it is reprogrammed using the above method.
I can't really send you the information on how to bypass the antitheft system. It would be defeating the purpose of the antitheft for everyone else that has it in thier car. But. You have a couple of choices. Bring the car to a dealer and have them fix it properly or, bring it to a car audio/electronics place that installs remote car starters and have them bypass the antitheft (probably cheaper option).
On your key there should be a black square with a silver piece in the center. That's the antitheft part. Check to see if its clean and not worn down. Or the contacts inside the key cylinder (ignition) could be worn down, if so, it needs to be replaced. When starting wiggle the key abit, it may take a few tries because of the 'timing' of when the antitheft system actually 'checks' the key.
You can get a new key made by a place that knows about the chip in the key, it's not exactly new technology so most places that can make keys should know about it. I suppose you could also hit the steering wheel repeatidly at the same time that your turning the key while your trying to start the vehicle. But you probably did that by now in frustration.
If there's no black square with silver piece in the key then there's some type of aftermarket antitheft system that's malfunctioning.