Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2003PASSAT SEDAN 4MOTION (3B3) W8-4.0L (BDP)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYKEYLESS ENTRY TRANSMITTERKEYLESS ENTRY TRANSMITTER BATTERYSERVICE AND REPAIRFROM 08/2000
2003 Volkswagen Passat Sedan 4Motion (3B3) W8-4.0L (BDP)
From 08/2000
2003 Volkswagen Passat Sedan 4Motion (3B3) W8-4.0L (BDP)SECTION From 08/2000
Battery For Key With Radio-frequency Remote Control (Foldable), Assembly Overview 08.00 -->
1 - Key with variable code transponder
2 - Radio-frequency unit - upper part
3 - LED
- This LED must blink when remote control is operated.
- If LED does not blink when remote control is operated, battery is completely discharged and must be replaced.
4 - Battery
5 - Radio-frequency unit - lower part
Removing
- Insert screwdriver in slot between radio-frequency unit - 1 - and key - 2 -.
- Rotate screwdriver in direction of - arrow - and remove transmitter unit from key.
- Press apart radio-frequency unit - 1 - using key bit of key - 2 -.
- Use a screwdriver to unclip battery - 1 - out of holders - 2 - in direction of - arrow -.
Installing
- Note polarity and installation position of battery when installing.
- Place battery - 1 - in radio-frequency unit - 2 - with positive terminal downward (positive terminal is marked in housing).
- Press on battery with light pressure to engage it in radio-frequency unit.
- Attach cover to radio-frequency unit (do not damage seal).
- Engage radio-frequency unit on key.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.