The manual provides instructions for jump-starting the McLaren 12C. To access the start battery, follow these steps:
Step-by-Step Procedure
To open the vehicle, remove the HVAC gasket, 5 Phillips screws, and surrounding trim panel. The service provider can access the front cargo area through the manual release in the driver’s side lower door opening.
Once inside, remove the cargo liner tub to access the battery. Disconnect the CAN plug before connecting the jump source and leave it connected for 5 minutes. Start the vehicle and run it for 20 minutes to charge the battery.
After jump-starting the vehicle, reconnect the CAN plug, remove the jump source, and check the battery status. Consult the separate Battery Status Tip Sheet for further guidance.
Finally, reassemble the cargo area in the opposite order of breakdown, ensuring the CAN plug is reconnected before reassembly.
Manual:
Download: MCLaren 12C Roadside Tip Sheet
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