GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you review the Ignition Lock System Description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Steering Wheel and Column

2

Verify that the key cannot be removed from the lock cylinder in the OFF position.

Does the lock system operate normally?

System OK

Go to Step 3

3

Inspect for incorrect, worn, or damaged key.

Is the key incorrect, worn, or damaged?

Go to Step 5

Go to Step 4

4

Inspect for a faulty lock cylinder or release button.

Is the lock cylinder or release button damaged?

Go to Step 6

Go to Step 3

5

Replace the key. Refer to Key and Lock Cylinder Coding in General Information.

Did you complete the repair?

Go to Step 7

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6

Replace the lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle .

Did you complete the repair?

Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3