Program Key Fob 2004 Chevy Impala

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Insert the key you want to duplicate into the ignition cylinder and turn it to “ON” position. Take a look at the security light. It should light up for about 2 seconds which will indicate the new key has been successfully programmed. How to program Chevy key fobs or remotes? The actual procedure to program a new remote key FOB.

A keyless entry remotes makes our lives easier by locking and unlocking the Silverado from up to 40 feet away. If you've purchased an additional remote, also known as a fob, you'll need to program it to sync with your truck.

Whether you own a 2001 or a 2010, follow these 7 easy steps and you'll have your Silverado remote programmed in five minutes.

If Your Silverado Doesn't Have a Vehicle Information Center (pre-2007)

Step 1: Sit in the vehicle with all the doors closed and unlocked. Insert the key into the ignition. Do not turn the key until directed.

Step 2: Press and hold the Unlock button on the driver's side door. You will hear the locks make two clunking noises, indicating they have completed an unlock/lock cycle. Continue to hold down the Unlock button.

Step 3: While holding down the Unlock button, turn the key to the accessory power position then back to the off position. Repeat turning the key from the accessory power position to the off position for a total of two cycles.

Step 4: Release the Unlock button. Your Silverado will automatically cycle the locks as it did in Step 2.

Step 5: Simultaneously hold down the Lock and Unlock buttons on your fob for 15 seconds.

Step 6: Program any additional remotes for repeating Step 6 for each remote. Up to four remotes can be programmed.

Step 7: Exit programming mode by starting your Silverado. Turn off the vehicle and test your remotes.

Router serial interface. Each model is supplied in a weather resistant enclosure. By transmitting the signal in serial form, sensor data can be carried over great distances using a minimum number of conductors. The serial interface greatly simplifies connection of meteorological sensors to recording electronics with serial inputs. The digital signal is more resistant to electrical interference and errors from line losses.

If Your 2007-2010 Silverado Has a VIC - Vehicle Information Center

Step 1: Sit in the vehicle with all the doors closed and unlocked. Start your Silverado and leave it in Park.

Step 2: Press and hold the Vehicle Information button, marked by an image of a car and the letter 'i', until the display reads 'Press V to Relearn Remote Key'.

Step 3: Press the Set/Reset button until 'Remote Key Learning Active' appears.

Step 4: Simultaneously press and hold the Lock and Unlock buttons for 15 seconds. A chime will sound indicating the remote has been successfully programmed.

Step 5: Program additional remotes by repeating Step 4 for each fob.

Step 6: Exit programming mode by turning off the vehicle and removing the key.

Step 7: Test your remote(s).

If Your 2007-2010 Silverado Doesn't Have a VIC - Vehicle Information System

Step 1: Sit in the vehicle with all the doors closed and unlocked. Turn the key to Accessory Power position.

Step 2: Press the trip odometer meter reset stem repeatedly until you see 'Relearn Remote Key'.

Step 3: Press and hold the trip odometer meter stem for three seconds. The display will read 'Key Learning Active'.

Step 4: Simultaneously press and hold the Lock and Unlock buttons for 15 seconds. A chime will sound indicating the remote has been successfully programmed.

Step 5: Program additional remotes by repeating Step 4 for each fob.

Step 6: Exit programming mode by turning off the vehicle and removing the key.

Step 7: Test your remote(s).

If You Have a 2011-2014 Silverado

Bring your vehicle into your local dealership to have your remote(s) programmed.

When in doubt, check your owner's manual. Information on how to program your remote is located in the Driver's Information Center section.

2004 Silverado

1. Close all vehicle doors.
2. Insert the key into the ignition.
3. Hold down the power UNLOCK button on the driver’s door panel-continue to hold down until instructed to release in step 9.
4. Perform steps 5 through 8 in fairly rapid succession.
5. Turn the ignition switch to the ON position (as far as you can go without starting the engine).
6. Turn the ignition switch to the OFF position.
7. Turn the ignition switch to the ON position.
8. Turn the ignition switch to the OFF position.
9. Release the power unlock button on the door panel. The vehicle will lock and unlock the doors automatically.
10. Hold down the LOCK and UNLOCK buttons on the transmitter simultaneously until the door locks and unlocks. This step may take up to 30 seconds.
11. Repeat step 10 NOW for each additional transmitter (including any existing transmitters).
12. Turn the ignition switch to the ON position in order to exit the transmitter programming mode.