Stop, place foot on brake, place vehicle in Neutral, Push 4wd lever forward, place vehicle in drive.
It has 'Full Time' 'All Wheel Drive" there is nothing to activate. You can put it in Low Range or High Range, but it is always driving all four wheels
The 4 wheel drive system on a 2002 Land Rover Discovery is engaged by pressing the 4 wheel drive button on the dash. It sends an electrical signal which activates the system.
All Land Rovers are all wheel drive. Some have a locking transfer case.
The 2002 Nissan Sentra has front wheel drive.
The 2002 Kia Optima has front wheel drive.
The 2002 Jeep Wrangler has four wheel drive.
The 2002 Toyota Corolla has front wheel drive.
The 2002 Volvo S60 has front wheel drive.
The 2002 BMW X5 has all wheel drive.
The 2002 Subaru Forester has all wheel drive.
The 2002 Honda Civic has front wheel drive.
The 2002 Audi S6 has all wheel drive.