Buick LaCrosse: Starting the Engine Using Remote 
Start - Remote Vehicle Start - Keys and Locks - Keys, Doors, and Windows - Buick LaCrosse Owners ManualBuick LaCrosse: Starting the Engine Using Remote Start

To start the engine using the remote start feature:

1. Aim the RKE transmitter at the vehicle.

2. Press and release 3. Immediately after completing.

3. Immediately after completing Step 2, press and hold the turn signal lamps flash, or for until the turn signal lamps flash, or for about two seconds if the vehicle is not in view.

When the engine starts, the parking lamps will turn on and remain on as long as the engine is running. The doors will be locked and the climate control system may come on.

Turn the ignition to ON/RUN (key access), or select the ON/RUN/START ignition position (keyless access), to drive the vehicle.

The engine will shut off after 10 minutes unless a time extension is done or the ignition is put in ON/RUN (key access) or ON/RUN/START (keyless access).

When the vehicle is started remotely, the climate control remote start. system will use the last setting before the vehicle was shut off. See “Remote Start Climate Control Operation” in Automatic Climate Control System or Dual Automatic Climate Control System. Vehicles with heated or heated and ventilated front seats can have this feature turn on automatically during a remote start.

See “Remote Start Heated Seats” and “Remote Start Cooled Seats” under Vehicle Personalization for more information.

    Remote Vehicle Start
    If available, this feature allows the engine to be started from outside the vehicle. The button will be on the RKE transmitter if the vehicle has remote start. Laws in some local communitie ...

    Extending Engine Run Time
    The engine will continue to run for 10 minutes. Repeat the steps for a 10-minute time extension. Remote start can only be extended once. When remote start is extended, the second 10 minutes w ...

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    Engine Oil Additives
    Your vehicle does not require any oil additives. Additives may adversely affect the engine or transmission performance and durability. ...