Current and Past Models
Technical Service Bulletins and Manuals are available for current and past model GM vehicles.
ORDER TOLL FREE:
1-800-551-4123 Monday – Friday 8:00 AM – 6:00 PM Eastern Time
For Credit Card Orders Only (VISA-MasterCard-Discover), visit Helm, Inc. at: www.helminc.com.
Or write to:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Prices are subject to change without notice and without incurring obligation. Allow ample time for delivery.
All listed prices are quoted in U.S.
funds. Make checks payable in U.S. funds.
See also:
Driving for Better Fuel Economy
Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible.
- Avoid fast starts and accelerate
smoothly.
- Brake gradually and avoid
abrupt st ...
Ignition Transmission
Lock Check
While parked, and with the parking
brake set, try to turn the ignition to
LOCK/OFF in each shift lever
position.
- The ignition should turn to
LOCK/OFF only when the shift
lever is in P (Pa ...
Braking and tire systems
CTS-V includes sophisticated braking and tire systems, in partnership with
two companies renowned for high-performance technology: Brembo and Michelin.
Brembo brakes are at all four corners and in ...