GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Remote Keyless Entry Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Remote Keyless Entry

2

  1. Move the driver seat rearward and the outside mirrors outward.
  2. Lock the vehicle using a switch located inside the vehicle.
  3. Press the UNLOCK button on the transmitter twice rapidly.

Do all passenger doors unlock?

--

Go to Step 7

Go to Step 3

3

  1. Move the driver seat rearward and the outside mirrors outward if they moved in Step 2.
  2. Lock the vehicle using a switch located inside the vehicle.
  3. Press the UNLOCK button on the transmitter twice 2 seconds apart.

Do all passenger doors unlock?

--

Go to Step 7

Go to Step 4

4

  1. Replace the battery(s) in the transmitter that did not unlock all doors while the seat and mirrors were moving. Refer to Transmitter Battery Replacement .
  2. Synchronize the transmitter. Refer to Transmitter Synchronization .

Did you complete the replacement?

--

Go to Step 5

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5

  1. Move the driver seat rearward and the outside mirrors outward if they moved in Step 2.
  2. Lock the vehicle using a switch located inside the vehicle.
  3. Press the UNLOCK button on the transmitter twice 2 seconds apart.

Do all passenger doors unlock?

--

Go to Step 7

Go to Step 6

6

Replace the transmitter. Refer to Transmitter Replacement .

Did you complete the replacement?

--

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 2