How to Jump Start a Acura TLX

1. Connect the first jumper cable to your vehicle's jump start box + terminal, and to no other part.
2. Connect the other end of the first cable to the booster battery + terminal.
3. Connect the second jumper cable to the booster battery - terminal.
4. Connect the other end of the second cable to the GND terminal, and to no other part.
5. If connected to another vehicle, start its engine and raise its RPM slightly.
6. Try to start your engine; if it turns over slowly, check the cables for good metal-to-metal contact.
7. Once the engine runs, remove the cables in reverse: your vehicle's ground, booster - terminal, jump start box + terminal, then booster + terminal.

• Use a 12-volt booster battery only.
• When using a battery charger, select a charging voltage lower than 15-volt.
• Have your vehicle inspected by a nearby service station or a dealer afterward.

Source: 2025 Acura TLX owner's manual, PDF pages 623, 624. 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.