key fob battery CADILLAC CT4 2021 Convenience & Personalization Guide

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KEYLESS START
The Remote Keyless Entry transmitter (key fob) must be in the vehicle to turn on the ignition.
START
With the vehicle in Park or Neutral, press and hold the brake pedal and then press the ENGINE START/STOP button to start the engine. The green indi-cator on the button will illuminate.
Note: If the key fob battery is weak, place the key fob in the rearward cup-holder in the center console to enable the engine to start. Replace the key fob battery as soon as possible.
STOP/OFF
Shift to Park and press the ENGINE START/STOP button to turn off the engine.
Retained Accessory Power will be available after the engine is turned off for up to 10 minutes, or until the driver's door is opened, to operate the radio, power outlets, OnStar♦, and wireless charging system♦. Power window and sunroof♦ functionality will stop when any door is opened.
ACCESSORY
With the engine off and the brake pedal NOT depressed, press the ENGINE START/STOP button to place the vehicle in Accessory mode to enable use of certain electronic features. The amber indicator on the button will illuminate.
See Driving and Operating in your Owner's Manual.
AUTO ENGINE STOP/START
The fuel-saving stop/start system automatically turns off the engine, referred to as an Auto Stop, when the brake pedal is pressed and the vehi-cle is at a complete stop, if certain operating conditions are met. In Auto Stop mode, the tachometer will read AUTO STOP. When the brake pedal is released or the accelerator pedal is pressed, the engine will restart. After parking the vehicle and turning off the engine, the tachometer will read OFF.
The engine may remain running or restart when the vehicle is stopped if:
• A minimum vehicle speed was not reached prior to stopping.
• The engine or transmission is not at the required operating temperature.
• The outside temperature is not in the required operating range.
• The shift lever is in any gear other than Drive (D).
• The battery charge is low.
• The climate control system requires the engine to run based on the current settings.
• The Auto Stop has reached the maximum allowed time.
AUTO ENGINE STOP/START DISABLE
Press the $ Auto Stop button on the center console to turn off the automatic stop/start system. The button indicator turns off when the system is disabled.
The system is turned on each time the vehicle is started.
See Driving and Operating in your Owner's Manual.