Hyundai Equus: Battery recharging by vehicle

After a jump start from a good battery, run the engine for 20-30 minutes at idle or driving the vehicle before it is shutoff. Vehicle may not restart if you shut it off before the battery had chance to adequately recharge.

WARNING - Recharging battery

When recharging the battery, observe the following precautions:

• The battery must be removed from the vehicle and placed in an area with good ventilation.
• Do not allow cigarettes, sparks, or flame near the battery.
• Watch the battery during charging, and stop or reduce the charging rate if the battery cells begin gassing (boiling) violently or if the temperature of the electrolyte of any cell exceeds 120°F (49°C).
• Wear eye protection when checking the battery during charging.
• Disconnect the battery charger in the following order.

1. Turn off the battery charger main switch.
2. Unhook the negative clamp from the negative battery terminal.
3. Unhook the positive clamp from the positive battery terminal.

WARNING

• Before performing maintenance or recharging the battery, turn off all accessories and stop the engine.
• The negative battery cable must be removed first and installed last when the battery is disconnected.
• Operation related to the battery should be done at an authorized EQUUS dealer.

CAUTION

• Keep the battery away from water or any liquid.
• The battery is in the trunk, so you should be careful when you load a container filled with liquid into the trunk.
• For your safety, use a genuine HYUNDAI approved battery when you replace the battery.