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以下TIP对你可能有用:
More common than you may think, an ignition key that won't turn can be both frustrating and time consuming. There are several possible reasons as to why an ignition key won't turn and some of them may be quite dependent on the model of your car or the particular situation you've found yourself in. However, it is possible to give an overview of some simple approaches to the most common causes that other people have taken when the ignition key won't turn, which are worth trying before dialing up roadside assistance.
Note that the order of situations and possible remedies provided here is from most to least likely.
Edit Steps
1
Before trying anything, check that your parking brake is on. You don't want to roll away while you're overly focused on getting the key to turn!
2
Apply pressure to the key and turn the steering wheel back and forth to attempt to find a free spot where the key turns.
Apply pressure to the key and turn the steering wheel back and forth to attempt to find a free spot where the key turns.
Apply pressure to the key and turn the steering wheel back and forth to attempt to find a free spot where the key turns. A very common reason for the key not turning in modern cars is that the steering column lock can be in a bind. When this happens, you'll need to exert pressure against the ignition mechanism and persist until it unlocks. For those with a sense of humor, this is often called "the steering wheel jiggle."
3
If you have an automatic transmission, check and make sure the selector is in park.
If you have an automatic transmission, check and make sure the selector is in park.
If you have an automatic transmission, check and make sure the selector is in park. Some cars will prevent you turning the key if the selector is in any position other than park or neutral; it can be easy to overlook this when tired or in a hurry.
4
Clean and lubricate the lock cylinder.
Clean and lubricate the lock cylinder.
Clean and lubricate the lock cylinder. Spray a liberal amount of electrical contact cleaner to flush away dirt and grime, followed by a quick spray of silicone or a drop or two of liquid graphite to lubricate. Be careful not to allow it to drip on upholstery or carpet. Keep the car open to prevent accumulation of fumes, and avoid sparks and open flames. Once you've added enough lubricant, try again.
5
On some lock cylinders, a tumbler may bind in a locked position, and the springs are unable to to push it back out.
On some lock cylinders, a tumbler may bind in a locked position, and the springs are unable to to push it back out.
On some lock cylinders, a tumbler may bind in a locked position, and the springs are unable to to push it back out. Firmly tapping the face of the lock cylinder can release the stuck tumbler. A tack hammer is about the perfect size and weight for most key cylinders.
6
Check the key itself.
Check the key itself.
Check the key itself. Place the key on a very flat, solid surface, and observe if it lays flat or is arched up from the surface either at the ends or in the middle. If it looks crooked, take a block of wood, or some similar hard object which to strike the key and bend it back to a flat shape. Do not use a hammer or other steel or hard metal object, as the key is made of fairly soft metal such as brass, and the grooves may be damaged when it is struck.
7
Tap end of key while turning it.
Tap end of key while turning it.
Tap the key. Tap the end of the key, while in the ignition, with a hammer or hard object while attempting to turn the key. Warning, watch out for your fingers. |
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