Tundra 2WD V6-3.4L (5VZ-FE) (2004)
Keyless Entry Transmitter Battery: Service and Repair
REPLACEMENT
1. REMOVE TRANSMITTER BATTERY
NOTICE: Special caution should be taken for handling each component as they are precision electronic components.
(a) Using a screwdriver, open the transmitter case.
NOTICE: Do not forcibly pry out the cover.
(b) Using a screwdriver, pry out the battery (lithium battery).
NOTICE:
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Do not push the terminals with your finger.
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Prying up the batteries (lithium battery) to forcibly remove it will cause deformation of the terminals.
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Do not touch the battery with wet hands. Water may cause unexpected rust.
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Do not touch or move any components inside the transmitter as it may interfere with proper operation.
2. INSTALL TRANSMITTER BATTERY
(a) Install a new battery (lithium battery) with the positive (+) side up, as shown in the illustration.
NOTICE:
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Be sure that the positive side and the negative side of the transmitter battery are matched-up correctly.
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Be careful not to bend the electrode of the transmitter battery insertion.
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Be careful that dust or oil does not adhere to the transmitter case.
(b) Install the case securely.