In a Buick Rendezvous, the fuse for the heater is typically located in the fuse box under the dashboard or in the engine compartment. The specific fuse number can vary by model year, but it's commonly found in the interior fuse panel. You should check the owner's manual for the exact fuse number and location for your particular year and model.
#14
It is number 32 in the under the hood fuse box. It takes a number 15 fuse.
Fuse #20
To see the number of the fuses you can either consult your manual or it's posted inside the cover when you open the fuse boxes.
The console fuse panel diagram for a Buick Rendezvous can be found in the service manual. The service manual is available at most auto parts.
i have a 2005 BUICK RENDEZVOUS AND MY TRACTION LIGHT IS ON PLUS MY ABS LOCK LIGHT ON THE DATCH BOARD
It is fuse number 70, a 15 amp (blue) fuse found in the fuse box under the hood on the driver's side.
2003 buick rendezvous fuse box diagrams
15 AMP
You may want to check the fuse
Fuse #29 in the center console fuse block its a 25 amp
In my '04 it's fuse 32 in the fuse box near the engine.