Toyota Sienna 2010-2024 Owners Manual: Wireless remote control/ electronic key battery
Replace the battery with a new one if it is depleted.
You will need the following items:
- Flathead screwdriver
- Lithium battery CR2032
Replacing the battery
- Vehicles without a smart key system
- Remove the cover using a coin protected with tape etc.
- Remove the depleted battery.
Insert a new battery with the “+” terminal facing up.
- Vehicles with a smart key system
- Take out the mechanical key.
- Remove the cover.
To prevent damage to the key, cover the tip of the screwdriver with a rag.
- Remove the depleted battery.
Insert a new battery with the “+” terminal facing up.
Use a CR2032 lithium battery
- Batteries can be purchased at your Toyota dealer, 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.
If the key battery is depleted
The following symptoms may occur.
- The smart key system (if equipped) and wireless remote control will not function properly.
- The operational range will be reduced.
| 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. |
| NOTICE For normal operation after replacing the battery Observe the following precautions to prevent accidents.
|
Air conditioning filter
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency
Removal method
Turn the engine switch to the “LOCK” position (vehicles without a
smart key ...
Checking and replacing
fuses
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as necessary.
Turn the engine switch to the “LOCK” position (vehicles w ...
Other materials:
System normal condition check
1. CHECK NORMAL CONDITION
If the symptom is applicable to any of the following,
it is intended behavior, and not a malfunction.
Symptom
Answer
A longer route than expected is chosen.
Depending on the road conditions, the radio and navigation assembly
m ...
Communication Error from Distance Control
ECU to ECM
DTC P1615 Communication Error from Distance Control
ECU to ECM
DTC U1101 Lost Communication with Distance Control
ECU
DESCRIPTION
The distance control ECU receives information about the area in front of the
vehicle from the laser sensor
and then sends a brake control demand signal (decelerat ...
How to proceed with
troubleshooting
HINT:
Use these procedures to troubleshoot the power folding
seat system.
*: Use the intelligent tester.
1 VEHICLE BROUGHT TO WORKSHOP
2 INSPECT BATTERY VOLTAGE
Standard voltage:
10 to 14 V
If the voltage is below 11 V, recharge or replace the battery
before proceeding.
...
