1. Check the steering wheel: Ensure the steering wheel is not locked. This can prevent the key from turning. Try to turn the steering wheel gently from left to right while applying light pressure on the key.
2. Check the gearshift: Make sure the gearshift is in the "Park" position for automatic cars or in the neutral position for manual cars.
3. Insert the key correctly: Make sure you are inserting the key correctly into the ignition cylinder. Some keys have specific orientations, and they only work when inserted the right way.
4. Wiggle the key: While applying gentle pressure on the key, try to wiggle it back and forth. This may help to disengage any obstructions that are preventing it from turning.
5. Lubricate the ignition cylinder: If the key is still stuck, you can try using a dry lubricant, such as graphite powder or WD-40, to lubricate the ignition cylinder. Insert the key and turn it back and forth while applying the lubricant.
6. Use a spare key: If you have a spare key available, try using it to see if it works. This will help to rule out the possibility of the key being damaged or worn out.
7. Check for debris: Look for any debris, dirt, or foreign objects that may have gotten stuck in the ignition cylinder, preventing the key from turning. Use a flashlight to inspect the area and carefully remove any obstructions.
If none of these steps work, there may be a deeper issue with the ignition system or the steering lock mechanism. In that case, it's best to consult with a qualified mechanic or locksmith. Do not force the key, as it may cause further damage to the ignition.