Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
1. Take out the mechanical key.
2. Remove the cover.
To prevent damage to the key, cover the tip of the flathead screwdriver with a tape.
3. Remove the depleted battery.
When removing the cover, the electronic key module may stick to the cover and the battery may not be visible. In this case, remove the electronic key module in order to remove the battery.
Insert a new battery with the "+" terminal facing up.
â– Use a CR2032 lithium battery
â– If the electronic key battery is depleted The following symptoms may occur:
WARNING
â– Removed battery and other parts These parts are small and if swallowed by a child, they can cause choking. Keep away from children. Failure to do so could result in death or serious injury.
NOTICE
â– For normal operation after replacing the battery Observe the following precautions to prevent accidents:
Moisture may cause the battery to rust.
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Navigation System: Parts Location
PARTS LOCATION ILLUSTRATION *1 TELEPHONE MICROPHONE ASSEMBLY *2 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - AMP FUSE - ECU-IG1 NO. 8 FUSE - RADIO NO. 1 FUSE - RADIO NO. 2 FUSE *3 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG2 NO. 3 FUSE - DCM FUSE - ECU-DCC NO. 2 FUSE - ...
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Specifications: Fuel information
You must only use unleaded gasoline.
Select premium unleaded gasoline with an octane rating of 91 (Research
Octane Number 96) or higher required for optimum engine performance
and fuel economy.
If the octane rating is less than 91, damage to the engine may occur and may
void the vehicle war ...