Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
HEV model
- After disconnecting the negative terminal from 12 volt auxiliary battery, disconnect the ground terminal from 12V engine restart battery sensor for 12 volt engine restart battery.
- Install in the reverse order of removal.NOTE:
- Install the 12V engine restart battery sensor while holding it with your hand to prevent the sensor from turning.
- Clean the battery cable terminals and apply grease to retard the formation of corrosion.
- Connect the positive (+) terminal, and then connect the negative (-) terminal of the battery.
- After connecting the battery ground terminal, the following operations are automatically performed in the vehicle.
- Initial diagnosis of electronic throttle control
- Learning control of brake pedal stroke sensor
Therefore, before starting the engine, be sure to place the select lever in "P" position, turn the ignition switch to ON, and wait at least 10 seconds without depressing the brake pedal.
- Initialization operation of active grille shutter
Do not place your hand, cloth, tools or other items nearby, because the active grille shutter opens approximately four seconds after the battery installation.
Tightening torque:
7.5 N.m (0.8 kgf-m, 5.5 ft-lb)
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.