Toyota Highlander Owners Manual: Battery
Check 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.
- Terminals
- Hold-down clamp
Brake fluid
Checking fluid level
The brake fluid level should be
between the “max” and “min”
lines on the tank.
Adding fluid
Make sure to check the fluid type and prepare the necessary item.
...
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, b ...
More about Toyota Highlander:
Before refueling the vehicle
Close all the doors and windows, and turn the engine switch to the
"lock" position (vehicles without a smart key system) or off (vehicles
with a smart key system).
Confirm the type of fuel.
Fuel types
Unleaded gasoline (octane rating 87 [research octane number 91] or
higher)
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