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Gear Selectionlink

Last updated: November 30, 2023

Overviewlink

Gear selection can be accomplished by:

  • Using the Gear Strip
  • Using Auto Shift out of Park (Beta)
  • Exiting the Driver Seat
  • Using the Redundant Gear Selector

Gear Striplink

The gear strip is located on the left side of the touch screen (or right side for RHD vehicles). In Park gear, the gear strip will appear whenever the vehicle is in the drive power state and the brake is pressed. In Drive gear, the gear strip will appear when the vehicle speed is below 3 mph and is not in cruise control. Swiping from the left edge to the right of the touchscreen towards the passenger can also bring up the gear strip. If the country of the vehicle is CN, and the acceleration pedal is applied above 90%, gear strip will also be displayed on the touchscreen. Swipe up on the gear strip for drive, or swipe down for reverse. To shift to Park, tap the Park button at the top of the gear strip while the brake is pressed, or press and hold the Park button without the brake pressed. To shift to Neutral, press and hold the Neutral button at the bottom of the gear strip.

Exiting the Driver Seatlink

When not in Park gear, the vehicle will automatically shift to Park below 2 mph when any of the following occur:

  • The driver becomes unbuckled.
  • The driver door opens.

The Redundant Gear Selectorlink

When the gear strip is unavailable, the redundant gear selector may be used. The redundant gear selector is part of the Front Overhead Module (FOHM), located on the headliner next to the rear-view mirror, which also contains the hazard button and front dome lights. When the redundant gear selector is active, the PRND buttons will appear backlit white with the current selected gear in amber. While the redundant gear selector is active, press any of the buttons to shift gears. For gear shifting to work in Park gear, the brake pedal must be pressed. For gear shifting to work in Drive, Reverse, or Neutral gears, a brake press is not required, but the vehicle speed must be below 5 mph. The PRND buttons use a combination of capacitive and force sensing to qualify a press.

In most situations the redundant gear selector is not active unless the vehicle is in the drive power state and one of the following occurs:

  • The touchscreen is unavailable.
  • The redundant gear selector is pressed.
  • Both scroll wheels on the steering wheel are pressed simultaneously for 500ms.
  • The vehicle is in Car Wash, Valet, or Service Modes.

The PRND backlights will turn off 90 seconds after they were last activated or when the vehicle exits power state drive.

Using the Front Overhead Module (FOHM)link

The Front Overhead Module (FOHM) is located at the front of the headliner, housing hazard lights, dome lights, and a backup PRND.

The front overhead module is redundant gear selector located on the headliner (next to the rear-view mirror) housing hazard lights, dome lights, and PRND buttons. When the front overhead module is active, PRND buttons will appear backlit white with the current selected gear in amber. While the front overhead module is active, press any of the buttons to shift gears. For gear shifting to work in Park gear, the brake pedal must be pressed. For gear shifting to work in Drive, Reverse, or Neutral gears, a brake press is not required, but the vehicle speed must be below 8 mph. The PRND buttons use a combination of capacitive and force sensing to qualify a press.

In most situations the PRND buttons are not active unless the vehicle is in the drive power state and one of the following occurs:

  • The touchscreen is unavailable.
  • The PRND button is pressed.
  • Both scroll wheels on the steering wheel are pressed simultaneously for 500ms.
  • The vehicle is in Car Wash, Valet, or Service Modes.
  • The PRND backlights will turn off 90 seconds after they were last activated or when the vehicle exits power state drive.

The front overhead module detects touches of Park, Reverse, Hazard, Neutral, and Drive using five capacitive touch sensors and two optical force sensors. Each selection on the module has a dedicated capacitive sensor. The left optical force sensors are located between the Park and Reverse selections. The right optical force sensor is located between the Neutral and Drive selections.

The optical force sensor measures the micrometer displacement via optical infrared sensing and translates into newton force readings.

In order for the front overhead module to send a drive mode request, the corresponding gear selection capacitive touch button state must indicate pressed and the corresponding optical force sensor must reach a triggered force. In order for the front overhead module to request the hazard lights on, the hazard capacitive button state must indicate pressed and both left and right optical force sensors states must report triggered.

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