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Home >> Jaguar >> 2020 >> XF Checkered Flag >> Repair and Diagnosis >> External Pages >> Different car >> Section 267 (Parking Brake And Actuation -- XE/(760)) >> Parking Brake And Actuation (G1822069) >> Description And Operation >> Parking Brake (G1817845) >> Operation >> Automatic Transmission Release

Automatic Transmission Release

WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

The EPB is automatically released when the Transmission Control Switch (TCS) is taken out of P, as long as the brake pedal is applied and the engine is running (shift from park release).

HIGH TEMPERATURE RECLAMP 

After heavy use of the brakes, the disc temperatures can be extremely high. At high brake disc temperatures, if the vehicle is stationary and the EPB is applied, the ABS control module automatically reapplies the EPB as the brake discs cool down. A temperature model in the ABS control module software calculates the brake disc temperature from the brake application force, the time intervals the brake force is applied and vehicle's speed.

High temperature reclamp occurs at brake disc temperatures of 250 °C (482 °F) and above, or at any temperature when the vehicle is parked on a 20% or steeper slope. Depending on the temperature and inclination, up to three reclamps can occur, at varying time intervals, in the 10 minutes following the initial application of the EPB. To limit the number of reclamps, the ignition status as well as the current inclination of the vehicle is considered.