2004 Chevrolet Blazer Owner's Manual - Page 252

5. Release the parking brake only after the vehicle being towed is firmly attached to the towing vehicle. Notice: If you exceed 55 mph (90 km/h) while towing your vehicle, it could be damaged. Never exceed 55 mph (90 km/h) while towing your vehicle. Notice: Do not exceed the posted speed limit when towing your vehicle. If you do, your vehicle could be badly damaged. 6. Turn the ignition to OFF. To prevent your battery from draining while towing, remove the RDO BATT and CLSTR fuses from the instrument panel fuse block. Be sure to replace the fuse when you reach your destination. See Fuses and Circuit Breakers on page 5-103. Dinghy Towing (Two-Wheel Drive Vehicles and Vehicles with the Electronic Transfer Case) Notice: If you tow your vehicle with all four wheels on the ground, the drivetrain components could be damaged. The repairs would not be covered by your warranty. Do not tow your vehicle with all four wheels on the ground. Two-wheel drive and four-wheel drive vehicles with the electronic transfer case should not be towed with all four wheels on the ground. Your transmission has no provision for internal lubrication while being towed. To properly tow your vehicle, it should be placed on a platform trailer with all four wheels off the ground. 4-48