Kia Telluride (LQ2, 2027-2026) Owner's Manual / What to do in an emergency / Emergency starting

Subaru Forester: What to do in an emergency / Emergency starting

When the engine fails to crank due to insufficient 12V battery voltage or a discharged battery condition, emergency jump starting using external booster cables or a portable power pack may be required to start your Kia Telluride.

Jump starting

To safely jump-start a discharged battery, connect booster cables precisely in the numbered numerical sequence illustrated below, and ensure you disconnect them in exact reverse order upon completion:


	(+) Positive terminal connection on the operational booster battery source (-) Negative terminal connection on the operational booster battery source (+) Positive terminal connection on the discharged Kia Telluride battery (-) Ground connection point on a solid metallic engine surface away from the discharged battery

Jump starting a vehicle carries inherent hazards if handled improperly. To prevent severe personal injury or catastrophic electrical damage to your Kia Telluride sensitive onboard electronics, strictly adhere to the emergency jump starting steps outlined below. If you feel uncertain at any point during the procedure, contact a certified technician or professional roadside service immediately.

WARNING

Never attempt to jump start your Kia Telluride if the discharged battery is frozen or suspect, as internal ice accumulation can cause the battery casing to rupture or violently explode during high-current charging.

Do not attempt to open or inspect the internal electrolyte level of sealed maintenance-free batteries, as escaping gases or structural stress may cause casing failure or explosion.

Keep open flames, lit smoking materials, and potential electric sparks well away from the battery compartment. Lead-acid batteries emit highly flammable hydrogen gas during charging, which can ignite instantly upon exposure to sparks.

Failure to follow these precise safety instructions can result in severe personal injury and extensive damage to vehicle electrical harnesses. Automotive batteries contain concentrated sulfuric acid, which is extremely poisonous and highly corrosive. Always wear protective eye goggles and heavy rubber gloves during jump starting, taking care not to splash battery acid onto yourself, your clothing, or painted vehicle body panels.

Avoid attempting to jump start the vehicle if the battery casing appears swollen, cracked, frozen, or if electrolyte levels have dropped dangerously low, as electrical arcing can trigger a battery casing explosion.

Never allow the positive (+) and negative (-) jumper cable clamps to touch each other or make contact with conductive metal surfaces simultaneously while connected to a live power source, as this creates a dangerous short circuit and intense sparking.

Do not connect the jumper cable directly from the negative (-) terminal of the booster battery to the negative (-) terminal of the depleted battery. Doing so can cause rapid overheating, hydrogen gas ignition, or severe battery plate degradation. Always connect the final negative booster cable clamp to an unpainted, solid metallic chassis ground point located well away from the battery casing.

Exercise extreme care when handling battery cables to prevent chemical burns from sulfuric acid residue. If acid contacts your skin, eyes, or painted surfaces on your Kia Telluride, rinse the affected area immediately with abundant clean water.

NOTE

Exclusively utilize a 12-volt power supply or booster battery for jump starting. Connecting a 24V power system—such as two 12V batteries wired in series or a commercial 24V generator set—will instantly destroy the 12V starter motor, ignition coils, control modules, and auxiliary electrical circuitry beyond repair.

Jump starting instructions

Verify that the external booster battery operates on a 12V negative-ground electrical architecture. If using a donor vehicle to jump start your Kia Telluride, park both vehicles close enough for cable reach without letting their metal body panels make direct physical contact.

Shut off all unnecessary electrical accessories, interior lights, climate controls, and infotainment displays to minimize power draw.
Ensure all electrical loads remain switched off before connecting booster leads.

Connect the heavy-duty jumper cables in the precise step-by-step sequence illustrated in the accompanying diagram:

Firmly clamp one end of the primary positive jumper cable to the positive (+) terminal of the discharged battery (3).
Attach the opposite end of the same positive jumper cable to the positive (+) terminal of the operational 12V booster battery (1).
Connect one end of the secondary negative jumper cable to the negative (-) terminal of the operational 12V booster battery (2).
Connect the remaining end of the negative jumper cable to a solid, stationary, unpainted metal ground point (such as a heavy engine lifting bracket or unpainted engine block bolt) located far away from the battery casing (4).

Maintain strict attention to ensure cable clamps do not make contact with moving engine parts, belt pulleys, or incorrect electrical terminals. Do not lean directly over the battery compartment while securing terminal clamps.

When jump starting from a donor vehicle, start the donor vehicle's engine first, allow it to idle smoothly, and then gently elevate the engine speed to approximately 2,000 RPM for several minutes to transfer baseline charge into the depleted unit.
Attempt to start the engine of the Kia Telluride with the discharged battery.
Once the engine fires and idles successfully, carefully disconnect the jumper cables in exact reverse order: first disconnect the negative ground cable from the booster battery terminal (2), followed by the negative ground connection, then remove the positive jumper cable from the booster battery (1), and finally remove the positive cable from the newly started battery (3).

If the root cause of the battery discharge is not immediately obvious (such as leaving headlights on overnight), have your Kia Telluride electrical system and alternator output thoroughly inspected by an authorized Kia dealership.

Push starting

Vehicles equipped with an Automatic Transmission cannot be started by pushing or rolling. If your Kia Telluride battery is depleted, you must rely exclusively on standard jump-starting procedures using an external 12V power source.

Follow the precise step-by-step instructions outlined in the Jump Starting section of this guide to safely restore electrical power.

WARNING

Tow starting the vehicle

Never attempt to tow your Kia Telluride to start the engine. When the engine fires up under tow, the vehicle can suddenly surge forward unpredictably and violently collide with the rear of the towing vehicle, leading to severe body collision and severe personal injury.

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