Enabling Rolling Brake Tester Mode

Transmission is in NEUTRAL (N).
The ignition is switched ON, with the engine either running or not (Power Mode 6 or 7).
Brake pedal is not pressed.
EPB switch is in neutral.
Wheel speeds on the axle clamped by the EPB are equal.
Wheel speeds are between 1.8 km/h (1 mph) and 9 km/h (5.5 mph) for more than 3 seconds.

The yellow park brake warning indicator lamp will illuminate when all the roller bench test mode enable conditions are true. This indicates that the roller bench test 'HU Mode ' is enabled.

NOTE: 'HU Mode 'is a function in the Jaguar Land Rover Approved Diagnostic Equipment.