Land Rover Discovery Owners & Service Manuals

Land Rover Discovery: Smart key battery replacement

When the battery needs replacing, there is a significant decrease in the effective range and SMART KEY BATTERY LOW is displayed in the Message centre.

Smart key battery replacement

To replace the battery:

  1. Remove the cover by sliding in the directions of the arrows.
  2. Use the emergency key blade to separate the Smart key body.
  3. Fit a new and unused CR2032 type battery (available from a Retailer/ Authorised Repairer) with the positive (+) side upwards.

Note: Avoid touching the new battery.

Moisture/oil from fingers can reduce battery life and corrode the contacts.

Note: If the low battery warning does not extinguish, this indicates that the replacement battery is not in a new and unused condition.

Refit the parts in reverse order, making sure that they click securely into place.

Battery disposal: Batteries contain harmful substances and must be disposed of correctly.

Seek advice on disposal from a Retailer/Authorised Repairer and/or your local authority.


To prevent accidental or unauthorised operation, never leave the Smart key unattended in the vehicle. Never leave children or animals unattended in the vehicle. The vehicle can be operated when the Smart key is inside the vehicle.

Do not expose to extremes of heat, dust or humidity, or allow contact with fluids.

Do not leave the Smart key exposed to direct sunlight.

The emergency key blade number is recorded on an attached label. Peel off the label and keep it safe, but not in the vehicle.

The operational range of the Smart key will vary considerably, depending on atmospheric conditions and interference from other transmitting devices.

Note: The Radio Frequency (RF) used by the Smart key may be used by other devices (e.g., medical equipment). This may prevent the Smart key from operating correctly.


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    Note: The Voice control system has been designed to recognise a number of languages. However, it cannot be guaranteed that the system will be compatible with every accent group within those languages. Please speak to a Retailer/Authorised Repairer about testing the Voice control system for compatibi

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