Why is my car not starting when I have a spare key?
This will only affect physical keys that are inserted into ignition cylinders. Due to the lifespan of a car, there is a high chance that your car key will wear down over time. This is not a common cause that people will consider when a car won’t start. This is an issue that is rather difficult to troubleshoot without a rarely used spare key.
Why does my car ignition key not work?
A quick guide to problems and solutions to why the ignition key won’t start the car. Possible reasons and solutions. There may be a few reasons why the ignition won’t start the car. Some of them are mechanical (such as a dead battery) and some of them are transponder key-related issues.
How to troubleshoot a car that won’t start?
Troubleshooting When Your Car Won’t Start 1 Turn your car key in the ignition. 2 Observe what lights come on. 3 Listen for any sounds that are made. 4 Use a second key (if possible) to see if this issue persists. 5 See if there is a change or not. More …
How can you tell if a car key is the problem?
This prevents someone from “hot-wiring” the car, or trying to start it by connecting ignition wiring under the steering column or forcing it to start with a screwdriver or fake key in the ignition. How can you tell if the problem is the key?
Can a fob key open a car door?
Even if the battery is flat the key inside the fob should open the door. Some modern cars locks are activated by an electrical ‘actuator’. The key basically just operates a switch. You do realise you can open the door with the fob?
Why does my car key not work when I open the door?
If you drive a fairly modern car, there is less of chance that you will have to deal with this, which is mostly attributed to the presence of key fobs and keyless entry remotes. However, if you have an older model car that still requires you to unlock your car door with your key, you might come across this issue.
Why does my car not start when I push the start button?
On late-model cars with “smart” keys, the key fob transmits a signal that tells the engine that the driver is in the car and allows the engine to be started with a push button instead of a traditional key. If the battery inside the fob has died or the transmitter stops working, there’s no signal, and your car won’t start.
What to do if fob key won’t open?
If you can’t get into the bonnet, you might be able to (get a handy person to) carefully hook a positive jumper lead to the starter positive under the car and the other to the chassis. That might give you enough for the car to unlock, then you can hook up a charger / jumper normally. jxneill writes…