Subaru BRZ 2018 Owner's Manual page 483

Start the engine of the second vehicle. Increase the engine
STEP 2
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Vehicles with a keyless access with push button start sys-
STEP 3
tem only: Open and close any of the doors of your vehicle
with the push-button ignition switch off.
Vehicles without a keyless access with push button start
STEP 4
system: Maintain the engine speed of the second vehicle
and turn the engine switch to the "ON" position, then start
the vehicle's engine.
Vehicles with a keyless access with push button start sys-
tem: Maintain the engine speed of the second vehicle and
turn the push-button ignition switch to "ON" mode, then
start the vehicle's engine.
Once the vehicle's engine has started, remove the jumper
STEP 5
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your SUBARU
dealer as soon as possible.
5-2. Steps to take in an emergency
5
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