Cadillac XT4 Owner Manual (GMNA-Localizing-MidEast-13527545) - 2020 -CRC - 9/16/19DRIVING AND OPERATING 191detent. For each press, the vehiclespeed increases to the next 5 km/h(5 mph) mark on the speedometer.The speedometer reading can bedisplayed in either English or metricunits. See Instrument Cluster 0 106.The increment value used depends onthe units displayed.Reducing Speed While Using CruiseControlIf the cruise control system is alreadyactivated:. Move the thumbwheel downtoward SET− until the desiredlower speed is reached, thenrelease it.. To decrease the vehicle speed insmall increments, move thethumbwheel down toward SET−briefly. For each press, the vehiclegoes about 1 km/h (1 mph) slower.. To decrease the vehicle speed inlarger increments, move thethumbwheel down toward SET− tothe second detent. For each press,the vehicle speed decreases to thenext 5 km/h (5 mph) mark on thespeedometer.The cruise control system mayautomatically brake to slow thevehicle down.The speedometer reading can bedisplayed in either English or metricunits. See Instrument Cluster 0 106.The increment value used depends onthe units displayed.Passing Another Vehicle WhileUsing Cruise ControlUse the accelerator pedal to increasethe vehicle speed. When you take yourfoot off the pedal, the vehicle will slowdown to the previous set cruise speed.While pressing the accelerator pedalor shortly following the release tooverride cruise, briefly moving thethumbwheel down toward SET− willresult in cruise set to the currentvehicle speed.Using Cruise Control on HillsHow well the cruise control will workon hills depends upon the vehiclespeed, load, and the steepness of thehills. When going up steep hills, youmight have to step on the acceleratorpedal to maintain your speed. Whengoing downhill, the cruise controlsystem may automatically brake toslow the vehicle down. Also, you mayhave to brake or shift to a lower gearto keep your speed down. If the brakepedal is applied, cruise controldisengages.Ending Cruise ControlThere are four ways to end cruisecontrol:. Step lightly on the brake pedal.. Press *.. Shift the transmission toN (Neutral).. Press J.Erasing Speed MemoryThe cruise control set speed is erasedfrom memory if J is pressed or ifthe ignition is turned off.