Johnston Report post Posted May 21, 2018 General Motors has revised the procedure for flat towing 2017 and 2018 Chevrolet Spark behind an RV. According to GM, when the vehicle is being towed on a curved road or in a turn, electronic stability control (ESC) brake activation of one wheel may occur, resulting in an audible tire squeal. Document ID: 4998042 #17455 -- Dinghy Towing Causing Tire Squeal Reference Number: A172119210 Revised flat-towing procedure 1. Position the vehicle to tow and then secure it to the motorhome. 2. Apply the parking brake. 3. Shift the transmission to Neutral. 4. Disconnect the negative battery cable at the battery. (See the “negative battery cable disconnection" procedure below.) 5. Cover the negative battery post with a non-conductive material to prevent any contact with the negative battery terminal. 6. Release the parking brake. Negative battery cable disconnection Warning: Before disconnecting the battery cable, turn off all features, turn the ignition off, and remove the key from the vehicle. If this is not done, you or others could be injured, and the vehicle could be damaged. Caution: If the battery is disconnected with the ignition on or the vehicle in Retained Accessory Power (RAP), the OnStar backup battery will be permanently discharged and will need to be replaced. 1. Make sure the lamps, features, and accessories are turned off. 2. Turn the ignition off and remove the key, if equipped. 3. Loosen the negative battery cable nut. 4. Remove the negative battery cable from the battery. To disconnect the towed vehicle 1. Park on a level surface. 2. Apply the parking brake. 3. Make sure the ignition is off. 4. Remove any tape, glue, or excess material from the negative battery post. 5. Connect the battery. (See the “negative battery cable reconnection” below). 6. Disconnect the vehicle from the RV. 7. Release the parking brake. Negative battery cable reconnection Caution: When reconnecting the battery, use the original nut from the vehicle to secure the negative battery cable. Tighten the nut by hand. 1. Install the negative battery cable to the battery. 2. Install the negative battery cable nut and tighten. 3. Turn the ignition on. Share this post Link to post Share on other sites
manholt Report post Posted May 21, 2018 That's pathetic! Share this post Link to post Share on other sites
five Report post Posted May 21, 2018 4 hours ago, manholt said: That's pathetic! John did not mention the final step...."when arriving home, shop for and purchase a different tow car." Share this post Link to post Share on other sites
