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Scion tC key battery

2nd Gen (AGT20)

2011–2016
How to change a fixed remote battery
  1. Find the slot or screw on the edge or back of the remote. Undo the screw if there is one.
  2. Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot and twist gently to open the case. Keep it off the circuit board and contacts.
  3. Note which way up the old cell sits before you lift it out. It varies by key, so don't assume + is up.
  4. Fit a new CR2016 the same way up, holding it by the edges. Leave any grease on the contacts.
  5. Clip the case back together and test the buttons at the car. Most keys work straight away with no reprogramming.
  6. Keep new and old cells away from children. A swallowed button battery can cause serious injury within two hours.
How to change a smart key battery
  1. Slide the release catch and pull out the emergency key blade.
  2. Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot the blade leaves and twist gently to part the case. Keep it off the circuit board and contacts.
  3. Note which way up the old cell sits before you lift it out. It varies by key, so don't assume + is up.
  4. Fit a new CR2032 the same way up, holding it by the edges. Leave any grease on the contacts.
  5. Clip the case back together and test the buttons at the car. Most keys work straight away with no reprogramming.
  6. Keep new and old cells away from children. A swallowed button battery can cause serious injury within two hours.
Full tC 2nd Gen key record

1st gen (AT10)

2004–2010
  • Fixed remoteCR2016
  • Remote head keyCR2016
  • TransponderNo battery

    A key with no buttons has no battery. It starts the car using a chip that needs no power.

How to change a fixed remote battery
  1. Find the slot or screw on the edge or back of the remote. Undo the screw if there is one.
  2. Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot and twist gently to open the case. Keep it off the circuit board and contacts.
  3. Note which way up the old cell sits before you lift it out. It varies by key, so don't assume + is up.
  4. Fit a new CR2016 the same way up, holding it by the edges. Leave any grease on the contacts.
  5. Clip the case back together and test the buttons at the car. Most keys work straight away with no reprogramming.
  6. Keep new and old cells away from children. A swallowed button battery can cause serious injury within two hours.
How to change a remote head key battery
  1. Look for a small screw or a slot along the seam of the plastic head. Undo the screw if there is one.
  2. Wrap the tip of a small flat screwdriver in tape or a cloth, put it in the slot and twist gently to part the head. Keep it off the circuit board and contacts.
  3. Note which way up the old cell sits before you lift it out. It varies by key, so don't assume + is up.
  4. Fit a new CR2016 the same way up, holding it by the edges. Leave any grease on the contacts.
  5. Clip the case back together and test the buttons at the car. Most keys work straight away with no reprogramming.
  6. Keep new and old cells away from children. A swallowed button battery can cause serious injury within two hours.
Full tC 1st gen key record

For locksmiths · 2nd Gen

  • KeysFixed remote · Smart key
  • Tools confirmed5
  • Transponder chipSubscribers
  • Programming procedureSubscribers
Subscribe for the full recordFull tC 2nd Gen key record

Questions

Scion tC key battery questions

2nd Gen (2011–2016): CR2016 in the fixed remote; CR2032 in the smart key. 1st gen (2004–2010): CR2016 in the fixed remote and remote head key.

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