What would cause a Hyundai Sonata not to start?
The most common reasons a Hyundai Sonata won’t start are a dead battery, an alternator problem, or failed starter.
What could cause a Hyundai to not start?
A Hyundai that doesn’t start can have a range of causes including dead battery, poor battery connection, dead key fob, broken starter, blown fuse, fuel pump failure, clogged fuel filter, empty fuel tank, defective spark plugs or any other electronics failure.
How do you take theft mode off a 2011 Hyundai Sonata?
Step 1: Insert the key into the door lock. Use the side door on the driver’s side and the physical key even if there is a keyless entry system on the car. Step 2: Turn the vehicle key to unlock the car door without releasing it. Hold the key for 30 seconds in the position.
What is a Hyundai immobilizer?
The immobilizer system protects your vehicle from theft. If an improperly coded key (or other device) is used, the engine’s fuel system is disabled. When the ignition switch is placed in the ON position, the immobilizer system indicator should come on briefly, then go off.
How do you reset the anti theft system on a Hyundai Sonata?
Use the ignition key to unlock the Sonata doors, then open the door and enter the driver’s seat. Put the key into the ignition and turn the ignition cylinder clockwise as far as it will go before cranking the Sonata engine. Leave the key here for 30 seconds to deactivate the system.
How do I get my Hyundai Sonata out of anti-theft mode?
How do I get my Hyundai out of anti-theft mode?
Look for a button that allows you to slide the physical key out of the fob. Step 2: Turn the vehicle key to unlock the car door without releasing it. Hold the key for 30 seconds in this position. This will signal to your car’s system that you have the right key, and will enable you to bypass your car’s alarm system.
How do I reset my Hyundai immobilizer?
Key Light Flashing
- A spare key if you have one.
- Try that if not try disconnecting the battery earth lead for 5 minutes this may reboot the immobilizer module.
- If you have the metal tag that came with the keys it has a limp home password, you can enter this with the ignition key to override the immobilizer.
Why does my 2011 Hyundai Sonata not start when turned on?
2011 Hyundai Sonata No Start, No Sound, No Crank when you turn the key in the ignition: If nothing happens when you turn the ignition key to the “Start” position, it means that the starter motor doesn’t turn over the engine. Most commonly this could be caused by a low/dead battery or there is no connection between the battery and starter.
What happens if the alternator fails on a Hyundai Sonata?
If your Sonata’s alternator fails, it will not be able to produce electricity and the battery will not be able to charge. Therefore, even if you think that the cause of the engine not starting is a battery failure and replace the battery, the battery will soon run out and the engine will not start.
How to jump start a Hyundai Sonata with a dead battery?
If dead battery is the reason for the breakdown of your Sonata, you can easily jump start it using jumper cables and a healthy battery from another vehicle, or using a battery booster if available. First connect red cable to the positive terminal of your Sonata’s dead battery, then to the positive terminal of donor battery.
What are some Hyundai Sonata battery problems?
If the battery does not have any charge for any reason, your Hyundai Sonata won’t start. Sometimes batteries become old enough, so they can’t hold a charge, or maybe they fail over time of use. Whatever the reason for your failed battery, you need to get it replaced by installing either a decent used battery or a brand-new battery.