Q: What can cause the smart key to not work?

To partially turn off the electronic stability control (ESC), briefly press and release the “ESC Off” switch on the instrument panel. The ESC Warning Light will illuminate to let you know that the system is partially off.

Hello, It looks like you are experiencing two different issues here with your Mazda 3. First, the shaky steering wheel at higher speeds is due to the the vehicle's tires being out of balance. Taking your Mazda to the nearest...

You did not mention the codes you got? This would help in the diagnosis of the problem for you. The main reason a code will not go away when you try and delete them is the problem is active and...

Hello. In my opinion, I do not think that a bearing failure would constitute replacing a vehicle. Bearings are a common wear item that needs to be replaced every now and then. If the vehicle is still in good shape,...

Hello. If the motor will only stay running with starting fluid, you likely have a fuel delivery issue. This can happen for a variety of reasons ranging from low fuel pressure to bad injector pulse to even just a dirty...

Hi, thanks for writing in. This may be related to what is called a voltage regulator (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-instrument-voltage-regulator). This is a unit that monitors the charging of the battery by the alternator. When this is not working properly, this can cause...

Any number of components can cause a crank but no start condition. Lack of spark - caused by a bad ignition coil or control module, as well as a crank shaft sensor could be at fault; lack of fuel due...

Hi there. I completely understand your concern. Could it simply be coincidence? Absolutely. Could it have been caused by an incorrect timing belt installation? It sure could. A Check Engine Light means that a malfunction has been detected and set...

I would classify this as rough operation/loss of power (https://www.yourmechanic.com/services/car-idle-is-rough-inspection). To find the exact cause will require an on-site inspection and that inspection can be performed on a mobile basis right at your location. Rough operation could be due to...