Push the lever (1) up (to RES+). If the vehicle speed is over 25 mph (40 km/h), the vehicle will resume the preset speed.
Hyundai Tucson (LM) 2010-2015 Owners Manual: Battery recharging
By battery charger
Your vehicle has a maintenance-free, calcium-based battery.
If the battery becomes discharged in a short time (because, for example,
the headlights or interior lights were left on while the vehicle was not in
use), recharge it by slow charging (trickle) for 10 hours.
...
Hyundai Tucson (LM) 2010-2015 Service Manual: Battery Description and Operation
Description
1.
The CMF(Closed Maintenance Free) battery is, as the name
implies, totally maintenance free and has no removable battery cell
caps.
2.
The CMF(Closed Maintenance Free) battery does not require water replenishment for the repair.
3.
The battery is completely sealed, exce ...