By battery charger
Your vehicle has a maintenance-free, calcium-based battery.
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:
By jump starting
After a jump start from a good battery, drive the vehicle for 20-30 minutes before it is shutoff. The vehicle may not restart if you shut it off before the battery had a chance to adequately recharge. See “Jump Starting” in chapter 6 for more information on jump starting procedures.
✽ NOTICE

An inappropriately disposed battery can be harmful to the environment and human health. Dispose the battery according to your local law(s) or regulation.
For best battery service
Reset featuresHyundai Tucson (LM) 2010-2015 Service Manual: Repair procedures
Inspection
1.
Disconnect the ignition switch connector (B) and key warning switch connector (A) from under the steering column.
2.
Check for continuity between the terminals.
3.
If continuity is not specified, replace the switch.
Removal
1.
Disconnect the negative (-) battery termin ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Audio Remote Control Schematic Diagrams
Circuit Diagram
...