Customer Information

See also:

Before Driving Off-Road
• Have all necessary maintenance and service work completed. • Fuel the vehicle, fill fluid levels, and check inflation pressure in all tires, including the spare, if equipped. • Read all the ...

Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement. To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these si ...

Dolly Towing (Front-Wheel-Drive Vehicles Only)
To tow a front-wheel-drive vehicle from the front with two wheels on the ground: 1. Put the front wheels on a dolly. 2. Move the shift lever to P (Park). 3. Set the parking brake. 4. Clamp the s ...