Keyless Entry Transmitter Battery: Service and Repair

1998 Volkswagen Eurovan V6-2792cc 2.8L (AES)SECTION Service and Repair


Batteries For Main Key With Radio Frequency Remote Control, Removing And Installing (vehicles Up To 10.00)

For vehicles from 10.00







1 - Transmitter unit - upper part (turned over)
2 - Button battery
3 - Contact plate
4 - Button battery
5 - Transmitter unit - lower part
6 - Main key

In the following description, the transponder is called "Radio Unit".

Removing







- Insert screwdriver in slot between transmitter - 1 - and main key - 2 -.
- Move screwdriver in direction of arrow and unclip transmitter from main key.







- Pry apart transmitter at two locating tabs -arrows-.







- Unclip upper battery - 1 - from retainers - 2 - with screwdriver in direction of arrow.







- The contact plate - 1 - has a straight edge. When edge is turned toward retainers, contact plate can be removed.
- Contact plate can also be unclipped with screwdriver.
- Now unclip lower battery from retainers with a screwdriver.

Installing

Note polarity and correct position when installing batteries.







- Place button battery - 4 - with positive pole upward into transmitter unit (positive terminal is marked on housing).
- Place contact plate - 3 - on button battery - 4 -.
- Place battery - 2 - onto contact plate with positive terminal up and engage both.
- Place upper transmitter unit - 1 - and lower transmitter unit - 5 - together and clip together.
- Engage transmitter unit with main key.

NOTE: If battery replacement takes longer than 30 seconds, then key or keys must be synchronized. Perform function test.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.