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Scion_xB_OM_OM12G56U_(U)
Engine compar tment
Washer fluid tank (P. 236)
Engine coolant reservoir ( P. 229)
Engine oil filler cap ( P. 226)
Engine oil level dipstick ( P. 225)Brake fluid reservoir
( P. 231)
Fuse box ( P. 258)
Battery ( P. 234)
Electric cooling fans
Condenser ( P. 231)
Radiator ( P. 231)
Page 234 of 392
234 4-3. Do-it-yourself maintenance
Scion_xB_OM_OM12G56U_(U)
BatteryCheck the battery as follows:
■ Battery exterior
Make sure that the battery terminals are not corroded and that
there are no loose connections, cracks, or loose clamps.
Te r m i n a l s
Hold-down clamp
■Before recharging
When recharging, the battery produces hydrogen gas which is flammable
and explosive. Therefore, observe the following before recharging:
● If recharging with the battery installed on the vehicle, be sure to discon-
nect the ground cable.
● Make sure the power switch on the charger is off when connecting and
disconnecting the charger cables to the battery.
Page 235 of 392

235
4-3. Do-it-yourself maintenance
4
Maintenance and care
Scion_xB_OM_OM12G56U_(U)
CAUTION
■
Chemicals in the battery
Batteries contains poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce 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.
■ How to recharge the battery
Only perform a slow charge (5 A or less). The battery may explode if
charged at a quicker rate.
■ Emergency measures regarding electrolyte
●If electrolyte gets in your eyes
Flush your eyes with clean water for at least 15 minutes and get immedi-
ate medical attention. If possible, continue to apply water with a sponge or
cloth while traveling to the nearest medical facility.
● If electrolyte gets on your skin
Wash the affected area thoroughly. If you feel pain or burning, get medical
attention immediately.
● If electrolyte gets on your clothes
It can soak through clothing on to your skin. Immediately take off the cloth-
ing and follow the procedure above if necessary.
● If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention
immediately.
Page 236 of 392
236 4-3. Do-it-yourself maintenance
Scion_xB_OM_OM12G56U_(U)
Washer fluidFor vehicles sold in U.S.A. If the washer fluid level is at
“LOW”, add washer fluid.
For vehicles sold in Canada If any washer does not work or
the low washer fluid warning light
comes on, the washer tank may
be empty. Add washer fluid.
NOTICE
■When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all
accessories are turned off.
Page 256 of 392
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4-3. Do-it-yourself maintenance
Scion_xB_OM_OM12G56U_(U)
Wireless remote control batter y
Replace the battery with a new one if it is depleted.
■You will need the following items:
●Flathead screwdriver
● Lithium battery (CR2016)
■ Replacing the battery
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a rag.
Remove the module.
Remove the battery cover and
the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP 1
STEP 2
STEP 3
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4-3. Do-it-yourself maintenance
4
Maintenance and care
Scion_xB_OM_OM12G56U_(U)
■
Use a CR2016 lithium battery
●Batteries can be purchased at your Scion dealer, local electrical appli-
ance shops or camera stores.
● Replace only with the same or equivalent type recommended by the
manufacturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
●The wireless remote control will not function properly.
● The operational range will be reduced.
CAUTION
■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
■ 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.
Page 279 of 392
When trouble arises5
279
Scion_xB_OM_OM12G56U_(U)
5-1. Essential informationEmergency flashers ......... 280
If your vehicle needs to be towed .................... 281
If you think something is wrong ............................. 287
Fuel pump shut off system ........................... 288 5-2. Steps to take
in an emergency
If a warning light turns on or a warning
buzzer sounds... ............ 289
If you have a flat tire......... 302
If the engine will not start ................................ 316
If the shift lever cannot be shifted from P (automatic
transmission) ................. 317
If you lose your keys ........ 318
If the vehicle battery is discharged ..................... 319
If your vehicle overheats ....................... 323
If the vehicle becomes stuck .............................. 326
If your vehicle has to be stopped
in an emergency ............ 328
Page 280 of 392
280
Scion_xB_OM_OM12G56U_(U)
5-1. Essential information
Emergency flashers
NOTICE
■To prevent battery discharge
Do not leave the emergency flashers on longer than necessary when the
engine is not running.
Use the emergency flashers if th e vehicle malfunctions or is
involved in an accident.
Press the switch to flash all
the turn signal lights. To turn
them off, press the switch
once again.