Toyota Corolla Quiz
Theft deterrent & door lock

Transmitter battery

In this manual: Theft deterrent & door lock
Introduction — 31Preparation — 32Service specifications — 19Diagnostics — 497Engine control system — 6Fuel — 13Emission control — 28Exhaust — 3Cooling — 13Lubrication — 7Ignition — 3Starting & charging — 13Front suspension — 12Rear suspension — 9Tire & wheel — 1Drive shaft / propeller shaft — 15Brake — 42Automatic transmission / trans — 47Clutch — 19Steering column — 9Power steering — 11Heater & air conditioner — 20Supplemental restraint system — 27Seat belt — 12Lighting — 18Wiper & washer — 9Audio & visual — 12Wiring — 1Communication system — 1Windshield/windowglass/mirror — 31Seat — 10Theft deterrent & door lock — 10Sliding roof/convertible — 8Engine hood/door — 12Exterior/interior trim — 20Vehicle control system — 1Cruise control — 5Maintenance — 8
~1min read
Replacement 1. Replace transmitter battery Notice:

special caution should be taken for handling each component as they are precision electronic components.

Toyota Corolla. Replace transmitter battery
  1. Using a screwdriver, pry out the transmitter case.
Notice

: do not forcibly pry out the case.

Hint

: tape the screwdriver tip before use.
Toyota Corolla. Replace transmitter battery
  1. Remove the battery (lithium battery).
Notice

:
  • do not push the terminals with your finger.
  • Prying up the battery (lithium battery) to forcibly remove it will cause deformation of the terminals.
  • Do not touch the battery with wet hands. Water may cause unexpected rust.
  • Do not touch or move any components inside the transmitter as it may interfere with proper operation.
2. Install transmitter battery
  1. install a new battery (lithium battery) with the positive (+) side up, as shown in the illustration.
Notice

:
  • be sure that the positive side and the negative side of the transmitter battery are matched–up correctly.
  • Be careful not to bend the electrode of the transmitter battery insertion.
  • Be careful that dust or oil does not adhere to the transmitter case.
  1. install the case securely.

Test yourself

A quick Toyota Corolla quiz: every answer comes with an explanation and a link to the manual page.