battery LEXUS RC200T 2017 Workshop Manual

5317-3. Do-it-yourself maintenance
7
Maintenance and care
RC200t_RC F_EE(OM24728E)
■Checking battery condition (vehicles with the battery indicator)
Check the battery condition by indicator color.
Blue: Good condition
Red: Not working properly. Add
distilled water.
White: Charging is necessary.
Have the vehicle inspected by
any authorized Lexus dealer or
repairer, or another duly qualified
and equipped professional.
■Adding distilled water
Remove the vent plug.
Add distilled water.
If the “UPPER LEVEL” line cannot be seen, check the fluid level by looking
directly at the cell.
Put the vent plug back on and close it securely.
1
2
3
1
Low O.K.2
3

5327-3. Do-it-yourself maintenance
RC200t_RC F_EE(OM24728E)
■Before recharging
When recharging, the battery produces hydr ogen gas which is flammable and explosive. Therefore, observe the following before recharging:
●If recharging with the battery installed on the vehicle, be sure to disconnect the ground
cable.
●Make sure the power switch on the charger is off when connecting and disconnecting the charger cables to the battery.
■After recharging/reconnecting the battery
The engine may not start. Follow the procedure below to initialize the system.
Shift the shift lever to P.
Open and close either door.
Restart the engine.
●Unlocking the doors using the smart entry & start system may not be possible immedi-
ately after reconnecting the battery. If this happens, use the wireless remote control or the mechanical key to lock/unlock the doors.
●Start the engine with the engine switch in ACCESSORY mode. The engine may not
start with the engine switch turned off. However, the engine will operate normally from the second attempt.
●The engine switch mode is recorded by the vehicle. If the battery is disconnected and
reconnected, the vehicle will return the engi ne switch mode to the status it was in before the battery was disconnected. Make sure to turn off the engine before discon-necting the battery. Take extra care when connecting the battery if the engine switch
mode prior to the battery being disconnected is unknown.
If the engine will not start even after multip le attempts at all the methods contact any authorized Lexus dealer or repairer, or anot her duly qualified and equipped professional.
1
2
3

5337-3. Do-it-yourself maintenance
7
Maintenance and care
RC200t_RC F_EE(OM24728E)
WARNING
■Chemicals in the battery
Batteries contain poisonous and corrosive sulfuric acid and may produce hydrogen gas which is flammable and explosive. To redu ce the risk of death or serious injury, take
the following precautions while working on or near the battery:
●Do not cause sparks by touching the battery terminals with tools.
●Do not smoke or light a match near the battery.
●Avoid contact with eyes, skin and clothes.
●Never inhale or swallow electrolyte.
●Wear protective safety glasses when working near the battery.
●Keep children away from the battery.
■Where to safely charge the battery
Always charge the battery in an open area. Do not charge the battery in a garage or
closed room where there is insufficient ventilation.
■Emergency measures regarding electrolyte
●If electrolyte gets in your eyes
Flush your eyes with clean water for at least 15 minutes and get immediate medical attention. If possible, continue to apply water with a sponge or cloth while traveling tothe nearest medical facility.
●If electrolyte gets on your skinWash the affected area thoroughly. If you f eel pain or burning, get medical attention immediately.
●If electrolyte gets on your clothesIt can soak through clothing on to your sk in. Immediately take off the clothing and fol- low the procedure above if necessary.
●If you accidentally swallow electrolyteDrink a large quantity of water or milk. Get emergency medical attention immedi-ately.
NOTICE
■When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all accessories
are turned off.
■When adding distilled water
Avoid overfilling. Water spilled during battery recharging may cause corrosion.

5637-3. Do-it-yourself maintenance
7
Maintenance and care
RC200t_RC F_EE(OM24728E)
●Flathead screwdriver
●Small flathead screwdriver
●Lithium battery CR2032
Take out the mechanical key.
Remove the cover.
To prevent damage to the key, wrap the
tip of the screwdriver with tape.
Remove the battery cover.
To prevent damage to the key, wrap the
tip of the screwdriver with tape.
Electronic key battery
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
1
2
3

5647-3. Do-it-yourself maintenance
RC200t_RC F_EE(OM24728E)
Remove the depleted battery.
Insert a new battery with the “+” termi-
nal facing up.
■Use a CR2032 lithium battery
●Batteries can be purchased at any authorized Lexus dealer or repairer, or another duly qualified and equipped professional, local electrical appliance shops or camera stores.
●Replace only with the same or equivalent type recommended by the manufacturer.
●Dispose of used batteries according to local laws.
■When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealers. Your Lexus dealer can replace the battery for you.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart entry & start system and wireless remote control will not function properly.
●The operational range will be reduced.
■Certification for the key battery
●Replace only with the same or equivalent type recommended by the manufacturer.
●Dispose of used batteries according to the local laws.
4

5657-3. Do-it-yourself maintenance
7
Maintenance and care
RC200t_RC F_EE(OM24728E)
WARNING
■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.
■Certification for the smart entry & start system
CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other component inside the remote control.
●Do not bend either of the battery terminals.

579
8When trouble arises
RC200t_RC F_EE(OM24728E)
8-1. Essential information
Emergency flashers ................. 580
If your vehicle has to be
stopped in an
emergency.................................. 581
8-2. Steps to take in an
emergency
If your vehicle needs to be
towed ...........................................582
If you think something is
wrong...........................................589
Fuel pump shut off
system ..........................................590
If a warning light turns
on or a warning buzzer
sounds........................................... 591
If a warning message is
displayed .................................... 597
If you have a flat tire
(vehicles with a
spare tire) .................................... 619
If you have a flat tire
(vehicles with an
emergency tire puncture
repair kit) .................................... 633
If the engine will not start ........ 648
If the electronic key does
not operate properly .............650
If the vehicle battery is
discharged ................................. 654
If your vehicle overheats ......... 659
If the vehicle becomes
stuck ............................................. 664

580
RC200t_RC F_EE(OM24728E)
8-1. Essential information
Press the switch.
All the turn signals will flash. To turn them off, press the switch onceagain.
■Emergency flashers
If the emergency flashers are used for a long time while the engine is not operating, the
battery may discharge.
Emergency flashers
The emergency flashers are used to wa rn other drivers when the vehicle has
to be stopped in the road due to a breakdown, etc.

5948-2. Steps to take in an emergency
RC200t_RC F_EE(OM24728E)
*2: Seat belt warning buzzer:
The seat belt warning buzzer sounds to al ert the driver, front passenger and rear pas- sengers that his or her seat belt is not fastened. The buzzer sounds for 30 seconds after the vehicle reaches a speed of 20 km/h (12 mph). Then, if the seat belt is still
unfastened, the buzzer will sound in a different tone for 90 more seconds.
■Front passenger detection sensor, seat belt reminder and warning buzzer
●If luggage is placed on a front passenger seat, the front passenger detection sensor may cause the warning light to flash and the warning buzzer to sound even if a passen-ger is not sitting in the seat.
●If a cushion is placed on the seat, the sensor may not detect a passenger, and the warn-ing light may not operate properly.
■If the malfunction indicator lamp comes on while driving
The malfunction indicator lamp will come on if the fuel tank becomes completely empty. If the fuel tank is empty, refuel the vehicle immediately. The malfunction indicator lampwill go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized Lexus dealer or repairer, or another duly qualified and eq uipped professional as soon as possible.
■Electric power steering system warning light (warning buzzer)
When the battery charge becomes insufficien t or the voltage temporarily drops, the electric power steering system warning lig ht may come on and the warning buzzer may sound.
■When the tire pressure warning light comes on
Carry out the following procedure after the tire temperature has lowered sufficiently.
●Check the tire inflation pressure and adjust to the appropriate level.
●If the warning light does not go out even afte r several minutes, check that the tire infla- tion pressure is at the specifie d level and carry out initialization.
The warning light may come on again if the above operations are conducted without first
allowing the tire temperature to lower sufficiently.
■The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such as natural air
leaks and tire inflation pressure changes caused by temperature. In this case, adjusting the tire inflation pressure will turn off the warning light (after a few minutes).
■When a tire is replaced with the spare tire (if equipped)
The spare tire is not equipped with a tire pre ssure warning valve and transmitter. If a tire goes flat, the tire pressure warning light will no t turn off even though the flat tire has been replaced with the spare tire.
■Conditions that the tire pressure warning system may not function properly
P. 540

6158-2. Steps to take in an emergency
8
When trouble arises
RC200t_RC F_EE(OM24728E)
OnceCon- tinuous
An attempt was made to lock the
doors using the smart entry & start system while the electronic key wasstill inside the vehicle.
 Retrieve the electronic key from the vehicle and lock thedoors again.
An attempt was made to lock either
door by opening a door and putting the inside lock button into the lockposition, then closing the door by
pulling on the outside door handle with the electronic key still inside thevehicle.
 Retrieve the electronic key from the vehicle and lock thedoors again.
An attempt was made to lock the
doors other than using the smart entry & start system while the elec-tronic key was still inside the vehicle.
 Retrieve the electronic key from the vehicle and lock the
doors again.
Once
The electronic key has a low battery.
 Replace the electronic key bat- tery. ( P. 563)
Once
The steering lock could not be released within 3 seconds of the
engine switch being pressed.  Press the engine switch while depressing the brake pedal and
moving the steering wheel left and right.
InteriorbuzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)
(Flashes)