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Key Programming Subaru Impreza 1999-2004

Subaru Impreza 1999-2008 Key Programming Procedure


The following are the key programming procedures for Subaru Impreza for the year 1999, 2004, 2005  to 2008.



You must program the remote’s unique 8 digit code into the vehicle to complete programming. A label with an eight-digit number is located on the outside of the remote. Original remotes will have this code on the circuit board inside the remote.



1. To begin sit in the driver’s side seat and close all doors including the trunk.

2. Within 45 seconds open and close the driver’s door one time.

3. Turn the ignition key from Lock to ON 10 times within 15 seconds. End in the locked position.

4. A buzzer sound and interior light may continue to flash until remote codes are completely registered. Continue to the next step even if there is no sound or flashing light. If you did not perform the previous steps with 45 seconds programming may be unsuccessful.

5. If the previous steps were completed in 45 seconds, open and close the driver’s door. An electronic tone will begin to sound.

6. Use the power lock button located on the door to enter the 8 digit code before the chime stops.

7. Push the power lock button to the lock position the same number of times as the 1st. number of the 8 digit code.
EXAMPLE: – 64241132- Press power lock button to lock 6 times.

8. When complete push power lock button to unlock 1 time.

9. Continue to enter the remaining numbers of the code using the instructions in step 7 & 8 until all 8 digits of the code have been entered.

10. When finished entering all 8 digits, push the power lock button to unlock one time and then repeat entering the code a second time.

11. When the eight digit code has been entered twice an electronic tone will sound for 30 seconds or locks will cycle. After the tone or cycle ends, start the vehicle, turn off vehicle and remove key.

12. To complete programming test remote. If remote does not lock or unlock vehicle start steps from beginning.

13. Repeat process to add any additional remotes.



About Subaru Impreza

The new Impreza followed substantially the same concept as its predecessor, including a similarly curved shape, and was built on a slightly updated version of the first generation base. Despite this, the front-end style, which was differentiated by ovoid headlamps, sparked considerable debate. Among Subaru aficionados, this version of the Impreza has earned the moniker ‘Bug Eye.’ The sedan’s body dimensions grew by 45 mm (1.8 in), 40 mm (1.6 in), and 25 mm (1.0 in); the wheelbase increased by 5 mm (0.2 in). To comply with Japanese vehicle size tax requirements, the hatchback’s width grew by only 5 mm (0.2 in) to 1,695 mm (66.7 in), keeping it in the limit “5” classification. Because Subaru intended to homologate the sedan chassis for rallying, increasing the car’s width—which placed it in the higher taxed number “3” division—brought improved stability. Similarly, the sedan’s 20 mm (0.8 in) increase in track helped with handling, whereas the hatchback gained only 5 mm (0.2 in). Other significant changes to the chassis included a 120 percent increase in torsional rigidity, mostly as a result of alterations to the front subframe design. Subaru revised the geometry of the suspension, but it preserved the basic MacPherson strut in the front and back.

The GD chassis weighs roughly 200 kg (441 lb) more than the GC chassis. Subaru claims that the GD chassis is 148% and 82% stiffer in torsional and beam rigidity, respectively, than the preceding generation. The installation of a steel “ring” that encircles the cabin at the B-pillar is principally responsible for this stiffness. While the stiffness has been improved for passenger safety, it also provides additional stability for motorsports events. According to Firehouse magazine, the Jaws of Life must sever the Subaru’s B-pillars at specific spots in order to cut through the automobile frame. In terms of safety, the GD chassis outperformed the GC chassis, earning a “Good” grade (the highest level) from the IIHS’s offset crash test. The NHTSA awarded four stars for front driver safety, five stars for front passenger safety, and four stars for side safety.

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