How to Jump Start a Honda Ridgeline

1. Turn off power to electric devices such as audio and lights, switch off the engine, then open the hood.
2. Pull the engine cover up off its pins, starting at the passenger side and moving toward the driver side.
3. Connect the first jumper cable to your vehicle's battery + terminal.
4. Connect the other end of the first cable to the booster battery + terminal.
5. Connect the second jumper cable to the booster battery - terminal.
6. After the engine starts, remove the cables in reverse order: your vehicle's ground first, then the booster - terminal, your + terminal, and the booster + terminal.

• Use a 12-volt booster battery only; if using a charger, select a voltage lower than 15-volt.
• Have your vehicle inspected by a nearby service station or a dealer after the engine starts.
• The pages do not show where the second cable's other end attaches.

Source: 2026 Honda Ridgeline owner's manual, PDF pages 533, 535. Steps are summarized in our own words (AI-assisted, checked against the cited pages 2026-10-18). Other model years can differ; your manual has the final word.