Toyota RAV4: Electronic key battery depletion - Antenna location and effective range - Opening, closing and locking the doors - Before driving - Toyota RAV4 Owner's ManualToyota RAV4: Electronic key battery depletion

●The standard battery life is 1 to 2 years. (The battery becomes depleted even if the electronic key is not used.) If the smart key system or the wireless remote control function does not operate, or the detection area becomes smaller, the battery may be depleted. Replace the battery when necessary.
●If the battery becomes low, an alarm will sound in the cabin when the engine stops.)
●To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of the following electrical appliances that produce a magnetic field:

• TVs
• Personal computers
• Recharging cellular phones or cordless phones
• Table lamps

    Battery-saving function
    In the following circumstances, the entry function is disabled in order to prevent the vehicle and electronic key batteries from discharging. ●When the entry function has not been used for 2 ...

    To operate the system properly
    Make sure to carry the electronic key when operating the system. Do not get the electronic key too close to the vehicle when operating the system from the outside of the vehicle. Depending on the p ...

    See also:

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    Main fuse
    Main fuse box The main fuses are designed to melt during an overload to prevent damage to the wiring harness and electrical equipment. Check the main fuses if any electrical component fails ...

    General information
    Noise from under the vehicle NOTE You may hear a noise from under the vehicle approximately 5 hours after the engine is turned off. However, this does not indicate a malfunction. This noise ...