Hyundai Elantra: Battery / Battery capacity label

For Best Battery Service

Keep the battery securely mounted. Keep the battery top clean and dry. Keep the terminals and connections clean, tight, and coated with petroleum jelly or terminal grease...

Battery Recharging

WARNING Always follow these instructions when recharging your vehicle’s battery to avoid the risk of SERIOUS INJURY or DEATH from explosions or acid burns: Before performing maintenance or recharging the battery, turn off all accessories and place the ignition switch to the LOCK/OFF position...

Other information:

Hyundai Elantra (CN7) 2021-2025 Owner's Manual: Power window lock switch

The driver can disable the power window switches on the rear passenger doors by pressing the power window lock switch. When the power window lock switch is pressed: The rear passenger control will not be able to operate the rear passenger power window Note that the front passenger control is still able to operate the front passenger window, and that the driver master control can ..

Hyundai Elantra (CN7) 2021-2025 Service Manual: Accelerator Position Sensor (APS)

Description and operation DescriptionAccelerator Position Sensor (APS) is installed on the accelerator pedal module and detects the rotation angle of the accelerator pedal. The APS is one of the most important sensors in engine control system, so it consists of the two sensors which adapt individual sensor power and ground line. The second sensor monitors the first sensor and its output voltage..