WARNING
To prevent SERIOUS INJURY or DEATH to you or bystanders, always follow these precautions when working near or handling the battery:
Always read and follow instructions
carefully when handling a battery.
Wear eye protection designed
to protect the eyes from acid splashes.
Keep all flames, sparks, or smoking
materials away from the battery.
Hydrogen is always present in
battery cells, is highly combustible, and may explode if ignited.
Keep batteries out of reach of
children.
Batteries contain sulfuric acid
which is highly corrosive. Do not allow acid to contact your eyes, skin or clothing.
If acid gets into your eyes, flush your eyes with clean water for at least 15 minutes and get immediate medical attention. If acid gets on your skin, thoroughly wash the area. If you feel pain or a burning sensation, get medical attention immediately.
NOTICE
NOTICE
If you connect unauthorized electronic devices to the battery, the battery may be discharged. Never use unauthorized devices.
Hyundai Kona (OS) 2018-2022 Service Manual: Rear Wheel Speed Sensor Repair procedures
Removal
[Tortion Beam Axle Type]
1.
Turn the ignition switch OFF and then disconnect the negative (-) battery
cable.
2.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
...
Ford Fusion 2013–2020 Owners Manual: Autounlock. Illuminated Entry. Illuminated Exit. Battery Saver
Autounlock
Autounlock unlocks all the doors when all
of the following occur:
The ignition is on, all the doors are
closed, and your vehicle has been
moving at a speed greater than 12 mph
(20 km/h).
Your vehicle comes to a stop and you
switch the ignition off or to the
accessory positio ...