Upshifting

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To request an upshift, push the upshift arrow button on the shift selection module. If the gear is available, the transmission will upshift and the new gear will display on the gear indicator. If the gear requested is unavailable, a tone will sound.

Upshifts are not available in low mode, except to prevent engine overspeed.

Note:  The AutoShift transmission is able to perform triple upshifts when the next three higher gears are available and conditions are appropriate.

Skip shifts can be performed only in manual mode. To skip shift, press the upshift button twice or three times. The number of the gear engaged will appear on the gear indicator.

Downshifting

To request a downshift, push the downshift arrow button on the shift selection module. If the gear is available, the transmission will downshift and the new gear will display on the gear indicator. If the gear requested is unavailable, a tone will sound.

Before starting down a hill, downshift to a speed that you can control without hard pressure on the service brakes. Before entering a curve, downshift if necessary. This lets you use some power through the curve to help the vehicle be more stable in the turn. It also allows you to regain speed faster as you come out of the curve.

Note:  The AutoShift transmission is able to perform triple downshifts when the next three lower gears are available and conditions are appropriate.

Skip shifts can be performed only in manual mode. To skip shift, press the downshift button twice or three times. The number of the gear engaged will appear on the gear indicator.

For best engine braking, select low mode while moving. In low, downshifts are performed at higher rpm than in drive.

Important: If the engine is approaching overspeed, the transmission controller will override the current gear setting and upshift to prevent engine damage.

Note:
Document Number: 0000118640
Manual Publication Date: 2024-05-13
Topic Publication Date: 2024-06-10