Cadillac 2010 DTS Owner's Manual

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See your dealer or a locksmith who can servicePASS-Key ® III+ to get a new key blank that is cutexactly as the ignition key that operates the system.To program the new key:1. Verify that the new key has a 1 stamped on it.2. Insert the original, already programmed, key in theignition and start the engine. If the engine will notstart, see your dealer for service.3. After the engine has started, turn the key toLOCK/OFF, and remove the key.4. Insert the new key to be programmed and turn it tothe ON/RUN position within five seconds of turningthe original key to LOCK/OFF.The security light will turn off once the key hasbeen programmed.5. Repeat Steps 1 through 4 if additional keys are tobe programmed.If you lose or damage your PASS-Key ® III+ key,see your dealer or a locksmith who can servicePASS-Key ® III+ to have a new key made.Do not leave the key or device that disarms ordeactivates the theft deterrent system in the vehicle.Starting and Operating YourVehicleNew Vehicle Break-InNotice: The vehicle does not need an elaboratebreak-in. But it will perform better in the long run ifyou follow these guidelines:. Do not drive at any one constant speed, fastor slow, for the first 500 miles (805 km).Do not make full-throttle starts. Avoiddownshifting to brake or slow the vehicle.. Avoid making hard stops for the first200 miles (322 km) or so. During this timethe new brake linings are not yet broken in.Hard stops with new linings can meanpremature wear and earlier replacement.Follow this breaking-in guideline every timeyou get new brake linings.. Do not tow a trailer during break-in. SeeTowing a Trailer on page 5‑26 for the trailertowing capabilities of your vehicle and moreinformation.Following break‐in, engine speed and load can begradually increased.3-22