Vauxhall ASTRA Owner's Manual page 195

194 Driving and operation
To deactivate
The winter program is switched off by:
z pressing button T again,
z changing to manual mode,
z turning off the ignition.
In order to prevent damage, the winter
program switches off automatically at high
transmission oil temperatures.
Kickdown
Depressing the accelerator pedal past the
pressure point: depending on the engine
speed the transmission shifts to a lower
gear. Full engine power is available for
accelerating.
For safety reasons kickdown is available in
both automatic and manual mode.
Engine braking
The automatic transmission automatically
selects the driving programs with the best
possible braking effect.
If necessary, lower gears can also be
selected in manual mode to increase the
braking effect. 1st gear has the greatest
braking effect.